Following severe flooding, residents had to use water from an overflowing reservoir located near the village. Although they treated the water with the recommended amount of chronic bleach, many of them still became very ill. Based on your knowledge of water purification and pollutants, explain what the residents were trying to achieve by treating the water with bleach and why this treatment was NOT enough to ensure that the water was safe for human consumption.​

The formation of an insoluble clot during hemostasis is termed coagulation.

Hemostasis is the process by which the body stops bleeding and forms a clot to prevent further blood loss. Coagulation involves the conversion of soluble fibrinogen into insoluble fibrin, which forms a mesh that traps platelets and red blood cells to form a stable clot.

so the answer of the question is The formation of an insoluble clot during hemostasis is termed coagulation.

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The restriction enzyme Not recognizes the palindromic sequence 5'-GCGGCCGC-3'. On average, it should cleave DNA once every 4^8 = 65,536 base pairs. A-T rich nature of the Plasmodium falciparum genome, which is unfavorable for Not recognition, it would cleave this DNA less frequently.

Nature refers to the natural world and all living organisms, including plants, animals, and ecosystems. It encompasses the physical, biological, and environmental elements that exist without human intervention. Nature provides resources essential for human survival, such as clean air, water, food, and natural habitats. It also offers opportunities for recreation, inspiration, and scientific exploration. Conservation and preservation efforts are important to protect and sustain the diversity and beauty of nature, ensuring its continued existence and the well-being of both humans and the planet as a whole.

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Answer:

Chloroplasts.

Explanation:

Thylakoids, dna, and ribosomes are all components found in chloroplasts

hope this helps!

Thylakoids, DNA, and ribosomes are all components found in chloroplasts. Chloroplasts are organelles found in plant cells and some algae that are responsible for photosynthesis.

Thylakoids are membrane-bound structures within chloroplasts that contain the pigment chlorophyll and are involved in the light-dependent reactions of photosynthesis. They form stacks called grana.

DNA, or deoxyribonucleic acid, is the genetic material that carries the instructions for the development, functioning, and reproduction of living organisms. Chloroplasts have their own circular DNA molecules, known as plastid DNA, which encode for some of the proteins and components required for chloroplast function.

Ribosomes are cellular structures involved in protein synthesis. They are responsible for translating the genetic information encoded in DNA into functional proteins. Chloroplasts have their own ribosomes, known as chloroplast ribosomes or plastid ribosomes, which are essential for synthesizing proteins needed for photosynthesis.

In summary, thylakoids, DNA, and ribosomes are all integral components of chloroplasts, which play a vital role in photosynthesis and are found in plant cells and some algae.

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The example of primary productivity among the given options is b. photosynthesis.

Primary productivity refers to the production of organic compounds (such as glucose) from inorganic sources through processes like photosynthesis. In photosynthesis, plants and some other organisms convert sunlight, water, and carbon dioxide into oxygen and glucose, which serves as the basis for the energy needs of other organisms in the ecosystem.

Decomposition, on the other hand, is the process of breaking down organic matter, while the other two options involve consumption of organic matter by other organisms.

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Answer: R is dominant to r. So, true.

Explanation:

Answer:

True

Explanation:

In genetics, dominance refers to the phenomenon where one allele of a gene is expressed over another. In the case of fur color in foxes, the allele for red fur (R) is dominant over the allele for white fur (r). This means that if a fox has one allele for red fur and one allele for white fur, it will have red fur. Only if a fox has two alleles for white fur (rr) will it have white fur.

This is a common example of dominance in genetics. Other examples include the color of eyes in humans, the shape of pea pods in plants, and the ability to roll one's tongue.

Based on the information provided, it seems that you are referring to a genetic cross involving three genes  in Drosophila flies.

To accurately determine the phenotypes of the P generation flies, the number of progeny for each phenotypic class, and the classification of non-crossover (NCO), single crossover (SCO), and double crossover (DCO) classes, we would need a clearer representation of the data.

You mentioned determining the relative sequence of the three genes on the chromosome, the map units (centimorgans) separating the 1st and 2nd genes (region I), the map units separating the 2nd and 3rd genes (region II), and the coefficient of coincidence and degree of interference for this region of the chromosome.

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Organic farmers generally prohibit the use of synthetic pesticides, irradiation, and growth hormones.

However, it's important to note that the term "Saved All" is not familiar in the context of organic farming, and it's possible that you may be referring to a specific set of guidelines or regulations that I'm not aware of. Organic farmers generally prohibit the use of synthetic pesticides, irradiation, and growth hormones. Nevertheless, among the options you provided, the only technique/method that is typically prohibited by organic farmers is the use of genetically modified organisms (GMOs). Organic farming emphasizes natural and sustainable methods of cultivation and prohibits the use of GMOs.

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In a cross between a trihybrid individual for genes A, B, and D and a tester, the parental, second-division crossover (SCO), and double-crossover (DCO) gametes can be determined.

The order of the genes on the chromosome can be established based on the progeny data. The distance between each of the genes can be calculated using the progeny counts. The coefficient of coincidence and interference can be calculated using the observed and expected progeny values.

a) The parental gametes are ABD and abd. The SCO gametes are AbD, aBd, aBD, and Abd. The DCO gametes are ABd and abD.

b) The order of the genes on the chromosome can be determined by examining the reciprocal recombinant progeny. By comparing the progeny counts, we can determine the order of the genes. In this case, the order is A-B-D.

c) The distance between each of the genes can be calculated using the recombinant progeny counts. The distance is expressed as the percentage of recombinant progeny out of the total number of progeny. For example, the distance between genes A and B can be calculated as (ABd + abD) / (total progeny) * 100%.

d) The coefficient of coincidence is calculated by dividing the observed double-crossover progeny by the expected double-crossover progeny. It measures the degree of interference.

e) Interference is calculated as 1 minus the coefficient of coincidence. It represents the extent to which one crossover interferes with the occurrence of another crossover in the same region.

In summary, the parental, SCO, and DCO gametes can be determined based on the progeny data. The order of the genes on the chromosome can be established through analysis of the progeny counts. The distance between each gene can be calculated using recombinant progeny counts. The coefficient of coincidence and interference can be determined using observed and expected progeny values. These calculations provide insights into the linkage and recombination patterns of the genes in question.

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Bacterial DNA from one strain can give a related strain new genetic characteristics. Bacterial DNA was transferred from one strain into a related strain.

Bacteria are single-celled microorganisms that belong to the domain Bacteria. They are prokaryotic organisms, lacking a nucleus and other membrane-bound organelles. Bacteria exhibit diverse shapes, including spheres (cocci), rods (bacilli), and spirals (spirilla). They are found in various environments, such as soil, water, and the human body. Bacteria play crucial roles in ecological processes, including nutrient cycling and decomposition. While some bacteria are beneficial, such as those involved in digestion or nitrogen fixation, others can cause diseases. Bacteria reproduce through binary fission, allowing for rapid population growth. They have a wide range of metabolic capabilities and contribute to various aspects of human life, including industry, medicine, and food production.

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Certain parrot species cannot be brought to the United States to be sold as pets due to various reasons such as the risk of introducing diseases, the potential threat to the ecosystem, and the impact on wild populations.

These restrictions are in place to protect both the native wildlife and the imported species themselves.
One of the species that cannot be brought to the United States for the pet trade is the African grey parrot. This species is highly sought after due to their intelligence and ability to mimic speech, but their popularity has led to overexploitation and illegal trade. In fact, the African grey parrot is listed as vulnerable on the IUCN Red List due to habitat loss and poaching.
Other parrot species that are restricted from importation to the United States for the pet trade include the yellow-headed Amazon parrot, the blue-fronted Amazon parrot, and the thick-billed parrot. These species are also threatened by habitat loss, poaching, and illegal trade.
Overall, it is important to consider the impact of the pet trade on wild populations and to promote responsible ownership of pets. While some species may be popular as pets, their conservation status and welfare should always be taken into account before bringing them into the country.

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The process called biomagnification, where chemical pesticides become increasingly concentrated at each higher level of the trophic pyramid.

As chemical pesticides are sprayed onto crops, they are absorbed into the soil and water. The lower level organisms, such as plants and algae, absorb a small amount of the pesticides. When herbivores eat these lower level organisms, they ingest the pesticides as well. Since the pesticides are not broken down or eliminated from the body, they accumulate in the tissues of the herbivores. When carnivores eat these herbivores, they ingest a larger amount of pesticides that have accumulated in the tissues of the herbivores. This process continues as you move up the trophic pyramid, with each level accumulating a higher concentration of pesticides. This is called biomagnification, and it can have harmful effects on the organisms at the top of the food chain, including humans who consume contaminated seafood or meat.
The process you're referring to is called "biomagnification." As chemical pesticides move through the trophic pyramid, they become increasingly concentrated at each higher level because organisms at higher trophic levels consume more of the lower-level organisms, which contain the pesticides. This leads to a higher concentration of the pesticides in their bodies, thus explaining the process of biomagnification.

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Burning biogas and municipal solid waste share similarities in terms of their potential as renewable energy sources and their combustion process to produce heat and electricity.

Both burning biogas and municipal solid waste have the potential to be utilized as renewable energy sources. Biogas is produced through the decomposition of organic matter, such as agricultural waste, sewage, or landfill gas, while municipal solid waste consists of various organic and non-organic materials discarded by households and businesses. By capturing and burning these waste materials, energy can be harnessed, reducing reliance on non-renewable energy sources.

In terms of combustion, both biogas and municipal solid waste undergo a similar process. When burned, the organic components in both materials release energy in the form of heat. This heat can then be used to generate steam, which drives turbines to produce electricity. The combustion process also results in the release of carbon dioxide (CO2) and other combustion byproducts.

Furthermore, both biogas and municipal solid waste combustion can help address waste management challenges. By utilizing these waste materials as energy sources, they can be diverted from landfills, reducing environmental impacts and promoting a more sustainable waste management approach.

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The nucleoli are visible during interphase, which is the phase of the cell cycle when the cell is not actively dividing. More specifically, the nucleoli are visible during the synthesis phase (S phase) of interphase. During this phase, the cell is actively replicating its DNA in preparation for cell division.

The nucleoli are specialized structures within the nucleus of a cell that are responsible for assembling ribosomes. Ribosomes are essential organelles that are responsible for translating the genetic information stored in DNA into functional proteins. In order to carry out this function, ribosomes must be assembled from a complex mixture of proteins and RNA molecules.
The nucleoli are composed of three main components: the fibrillar center, the dense fibrillar component, and the granular component. It is within the granular component that ribosomes are assembled. Specifically, ribosomal RNA (rRNA) molecules are synthesized and combined with proteins to form the subunits that make up ribosomes.
Overall, the nucleoli are an important component of the cell that are responsible for assembling the essential organelles that are required for protein synthesis.

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In the introduction video and the kelp example, it is clear that sea otters are considered to be d) keystone species. So the correct answer is d).

The sea, a vast expanse of saltwater covering more than 70% of Earth's surface, is teeming with diverse life forms and plays a crucial role in maintaining the planet's ecosystem. It supports a rich biodiversity, including fish, marine mammals, coral reefs, and countless other organisms. The sea is a source of food, livelihood, and inspiration for humans, but it is also facing numerous challenges such as pollution, overfishing, and climate change. Preserving the health and integrity of  sea is essential for the well-being of both marine life and humanity as a whole.

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Streptococcus pyogenes is known to be the causative agent of various disorders and complications.

However, it is not the most common causative agent of gastroenteritis. Gastroenteritis is typically caused by viruses or bacteria such as Salmonella or E. coli. The other disorders mentioned, pharyngitis, scarlet fever, and impetigo, are all commonly caused by Streptococcus pyogenes. I hope that helps explain things! Let me know if you have any further questions.

Streptococcus pyogenes is the most common causative agent of all the following disorders and complications except:

- Pharyngitis
- Scarlet fever
- Impetigo

However, it is NOT commonly associated with:- Gastroenteritis

Streptococcus pyogenes is a bacterium that typically causes infections in the throat and skin, leading to pharyngitis (sore throat), scarlet fever, and impetigo (a skin infection). Gastroenteritis, on the other hand, is an inflammation of the stomach and intestines that is more commonly caused by other types of bacteria, viruses, or parasites.

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The vegetative (nutritionally active) bodies of most fungi are composed of hyphae and are referred to as mycelium, so the correct option is 2.

This mycelium is usually underground, where it absorbs nutrients from the surrounding soil or organic matter. As the mycelium grows, it can form large networks that span great distances.

These networks are responsible for the movement of nutrients and water within the soil as well as the decomposition of dead organic matter. Fungal mycelia can be incredibly complex and have been found to play important roles in many ecological processes, from nutrient cycling to plant growth and disease resistance.

Overall, the mycelium is a critical component of fungal biology, allowing these organisms to thrive in a wide range of environments.

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The pair that is incorrectly matched is c. mycoplasma = acid-fast staining. Mycoplasma does not have a cell wall containing mycolic acids, which are necessary for acid-fast staining. Mycobacterium, on the other hand, does have mycolic acids in its cell wall and is therefore responsible for causing tuberculosis.
The pair that is incorrectly matched is c. mycoplasma = acid-fast staining. Mycobacterium is the one that has mycolic acids in its cell wall and is associated with acid-fast staining, not mycoplasma.

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The tube responsible for equalizing pressure between the middle ear and the nasopharynx is called the Eustachian tube.

This tube helps to regulate pressure in the middle ear and prevent damage to the eardrum when there are changes in altitude or pressure. Essentially, the Eustachian tube allows for the passage of air between the middle ear and the outside environment, which helps to equalize pressure on either side of the eardrum. This is why you may feel the need to "pop" your ears when you are flying in an airplane or driving up a mountain - it's your body's way of equalizing pressure in the middle ear via the Eustachian tube.

The process can be explained as follows:

1. When you change elevation, the air pressure outside your ear changes as well.
2. The Eustachian tube allows air to flow between the middle ear and nasopharynx.
3. This airflow helps to equalize the pressure between the middle ear and the outside environment.
4. As a result, you experience less discomfort or pain when there is a sudden change in altitude, such as during air travel or climbing a mountain.

So, the Eustachian tube is responsible for the equalization of pressure when you change elevation, ensuring your ears remain comfortable and functional.

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Evolution is a process that affects population. Therefore, option (B) is correct.

Evolution is a biological process which takes place over many generations within a population. It involves changes in the heritable traits of animals over time, resulting to the development of new species and the alteration of existing species.

Individuals contribute to evolution by transmitting their genetic material, but it is the collective changes within populations that drive evolutionary processes. As a biological concept pertaining to the diversity and adaptation of living organisms, evolution does not directly influence planets or the universe.

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Skin inflammation that primarily involves the papillary layer is termed "superficial dermatitis." The papillary layer is the uppermost layer of the dermis, which lies beneath the epidermis. In superficial dermatitis, inflammation mainly affects this layer, causing redness, swelling, and sometimes itching or pain.

Skin inflammation that primarily involves the papillary layer is termed papillary dermatitis. The papillary layer is the uppermost layer of the dermis, located just beneath the epidermis. It contains blood vessels, nerve endings, and immune cells that help to defend against infection and inflammation. When this layer becomes inflamed, it can cause redness, itching, and irritation, which may lead to the development of papules or pustules on the skin's surface. Treatment for papillary dermatitis may include topical or oral medications to reduce inflammation and soothe the skin.
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Inflammation primarily involving the papillary layer of the skin is typically linked with skin conditions such as dermatitis, cellulitis, or erysipelas. These conditions often result from bacterial infections infecting the dermis, causing inflammation.

The skin inflammation primarily involving the papillary layer is usually related to conditions such as dermatitis or various types of skin infections. The papillary layer of the skin, part of the dermis, is made of areolar connective tissue and contains a rich supply of blood vessels, fibroblasts, adipocytes and defensive cells to fight bacterial infiltrations. Inflammatory reactions in this layer can lead to skin redness, warmth, and pain to touch. Conditions such as cellulitis and erysipelas are examples of inflammatory conditions primarily affecting this layer of the skin, with cellulitis often being caused by bacterial infections.

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The correct options for the line of defense against invading pathogens are: a. skin, b. nose hairs, and c. liquids in all body openings, for example mucus.

The immune system is responsible for defending the body against invading pathogens such as bacteria, viruses, and fungi. It consists of various defense mechanisms, including physical barriers and immune cells. The options mentioned are all part of the body's line of defense against pathogens:

a. Skin: The skin acts as a physical barrier, preventing pathogens from entering the body. It is the first line of defense and provides protection against infections.

b. Nose hairs: The nose contains tiny hairs called cilia that help filter out dust, particles, and pathogens present in the air we breathe. The hairs trap these foreign particles, preventing them from reaching the respiratory system.

c. Liquids in all body openings, for example mucus: Mucus is produced in various parts of the body, such as the respiratory and digestive tracts. It helps trap and immobilize pathogens, preventing them from entering deeper tissues. Mucus also contains enzymes and antibodies that can neutralize or destroy pathogens.

The body's line of defense against invading pathogens includes the skin, nose hairs, and the presence of liquids in various body openings, such as mucus. These physical barriers and mechanisms help protect against infections and maintain overall health.

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Ingenhousz's experiment demonstrated the interdependence of energy-producing processes and living organisms by showing that plants release oxygen in the presence of light and produce carbon dioxide in the absence of light.

In his experiment conducted in the late 18th century, Jan Ingenhousz observed the gas exchange of plants under different light conditions. He found that plants release oxygen bubbles when exposed to light, but not in the dark. This discovery led to the understanding that plants possess the ability to produce oxygen through a process called photosynthesis, which occurs in the presence of light.

Furthermore, Ingenhousz also observed that plants absorb carbon dioxide in the presence of light, indicating that photosynthesis involves the utilization of carbon dioxide as a raw material. In the absence of light, plants instead release carbon dioxide, suggesting that they also engage in respiration, a process that releases energy from organic molecules and produces carbon dioxide as a byproduct.

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Lactose (allolactose) acts as an inducer in this system by binding to the lacI protein (repressor), inducing a conformational change in lacI, leading to its dissociation from the lac operator.

This allows RNA polymerase to transcribe the lacZ gene, enabling the cell to use lactose as an energy source.

In the lac operon system, lactose (specifically allolactose, an isomer of lactose) acts as an inducer by binding to the lacI protein, which functions as a repressor. When lactose is present in the cell, some of it is converted to allolactose by the enzyme β-galactosidase, encoded by the lacZ gene.

Binding of allolactose to the lacI repressor induces a conformational change in the repressor protein, causing it to dissociate from the operator region of the lac operon. This dissociation allows RNA polymerase to bind to the promoter region and transcribe the genes involved in lactose metabolism, such as the lacZ gene.

The transcription of the lacZ gene results in the production of β-galactosidase enzyme, which further hydrolyzes lactose into glucose and galactose, which can be utilized as an energy source by the cell.

Therefore, option A is the correct answer: Allolactose binds to the lacI protein (repressor), inducing a conformation change in lacI, leading to its dissociation from the lac operator. This allows RNA polymerase to transcribe the lacZ gene, and the cell can use lactose as an energy source.

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tendons and ligaments are connective tissues that provide structural support and facilitate movement, while bursae help to reduce friction and absorb shock in joints.

The  compare and contrast the functions of tendons, ligaments, and bursae.
1. Tendons: Tendons are strong, fibrous connective tissues that connect muscles to bones. Their primary function is to transmit the force generated by muscle contraction, allowing for joint movement and providing stability during movement.
2. Ligaments: Ligaments are also fibrous connective tissues, but they connect bones to other bones. Their primary function is to provide stability to joints by preventing excessive movement and maintaining proper alignment of bones within a joint.
3. Bursae: Bursae are small, fluid-filled sacs that are found near joints. Their primary function is to provide cushioning and reduce friction between bones, tendons, and ligaments during movement.
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Note that the table showing the inherited traits and the learned behavior of the characters provided from "Finding Nemo" is attached accordingly.

Inherited characteristics are encoded in our DNA and can thus be handed on to future generations. For instance, eye color, height, complexion, hair color, and so on. Variations that arise as a result of reproduction can be inherited, increasing the survival rate of organisms.

A heritable trait is simply a characteristic that resembles the corresponding trait of the parents more than the same trait in a random individual in the population.

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Increasing levels of carbon dioxide can affect the pH of the pond ecosystem.

As carbon dioxide (CO₂) levels in the atmosphere rise, more CO₂ gets absorbed into seawater. As a result, the world's oceans have grown more acidic over time, causing a wide range of well-documented problems for marine animals and pond ecosystems. Now, researchers present some of the first evidence that similar things are happening in freshwaters too.

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In general, adult females are almost entirely incompatible in male-only species, such as certain fish and insects. However, it's important to note that individual personalities and behavior can also play a role in compatibility between pets of any species and gender.

Adult female hamsters are an example of pets where females can be almost entirely incompatible with one another. When housed together, they tend to exhibit territorial behaviors and aggression, leading to fights and potential injuries. To ensure the well-being of female hamsters, it is advisable to house them separately.

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The flared components of the paired nostrils are composed of cartilage.

The flared components of the paired nostrils, also known as the alae nasi or wing of the nose, are primarily composed of cartilage. Cartilage is a flexible and resilient connective tissue that provides structural support to various parts of the body, including the nose.

In the nasal region, the cartilage forms the framework that gives shape to the external nose. The alar cartilages, specifically, are responsible for giving the nostrils their characteristic shape and flexibility. These cartilages are found on the lateral sides of the nose and contribute to the expansion and contraction of the nostrils during breathing.

The cartilage in the flared components of the nostrils allows for movement and adjustment to accommodate airflow. It also helps maintain the shape and structure of the nasal passages. The flexibility of cartilage enables the nostrils to widen and narrow as needed, facilitating the intake of air during inhalation and the expulsion of air during exhalation.

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According to the given question, the statement is false because the infectious disease is almost totally eradicated in our world.

Infectious diseases are not almost totally eradicated in our world. While significant progress has been made in controlling and preventing many infectious diseases through vaccination, improved sanitation, and public health measures, various infectious diseases still persist globally.

Some examples include malaria, HIV/AIDS, tuberculosis, and influenza. Additionally, new diseases continue to emerge, as seen with COVID-19. Efforts are ongoing to combat these diseases and improve global health, but it is inaccurate to say that infectious diseases are almost totally eradicated.

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