The drug methotrexate belongs to the group of drugs known as antimetabolites. By reducing the growth of cancer cells, methotrexate treats cancer. In order to prevent the development of scales, methotrexate slows the growth of skin cells in psoriasis. Methotrexate may treat rheumatoid arthritis by reducing immune system activation.
Methotrexate obstructs the creation of DNA. This prevents cell division and growth, which slows or stops the growth of cancer. Cancer cells are more vulnerable to this harm because they divide more quickly and with less error-correcting than healthy cells do.
Acute lymphoblastic leukaemia (ALL), especially ALL that has progressed to the central nervous system, can be treated with methotrexate sodium alone or in combination with other medications.
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1. What is the purpose of the mitochondria?
2. If mitochondria stops working, list the 3 types of transport that will
be affected most.
3. Explain why the transports you choose will be affected most.
Answer:
1.The Mitochondria is the power house of the cell. is generates most of the ATP.
Describe the physical characteristics of water that make it valuable resource for agricultural uses
Answer:
water helps crops to grow they have different kind of minerals in it which crips need to grow
______ are chemical messengers secreted by glands.
Exocrine glands, such as sweat glands, secrete fluids through ducts. _______ glands secrete hormones directly into the bloodstream.
The _______ gland plays an important role in puberty and growth.
Epinephrine, triggering the "fight or flight" response, is produced by the _______ glands, which sit on top of the kidneys.
Most glands that secrete hormones operate using feedback mechanisms. When hormone concentrations are high, the gland will produce ________ of the hormone.
Many cells produce chemicals called _______, hormone-like substances that impact inflammation and reproduction.
The gland that helps regulate growth, body temperature, and the level of calcium in the blood is called the _______.
In order to reach different organs and tissues throughout the body, endocrine glands release hormones (chemical messengers) into the bloodstream.
Endocrine glands secrete hormones directly into the bloodstream.Hormones are directly released into the bloodstream by endocrine glands.
The pituitary gland plays an important role in puberty and growth.The pituitary gland regulates a variety of essential bodily processes and functions, including metabolism, growth, sexual development, reproduction, blood pressure, and many others.
Epinephrine, triggering the "fight or flight" response, is produced by the adrenal glands, which sit on top of the kidneys.Corticosteroid hormones and epinephrine, which are produced and released by the adrenal glands, keep blood pressure stable and control metabolism.
LessWhen hormone concentrations are high, the gland will produce less of the hormone.
Many cells produce chemicals called steroids, hormone-like substances that impact inflammation and reproduction.Eicosanoids (such as prostaglandins and thromboxanes), steroids, and phytoestrogens are examples of compounds that can be categorized as hormones (e.g. estrogen and brassinosteroid)
The gland that helps regulate growth, body temperature, and the level of calcium in the blood are called the thyroid and parathyroid.The thyroid and parathyroid glands are situated behind the larynx, in the front of the neck (voice box). The metabolism of the body is significantly influenced by the thyroid. The balance of calcium in the body is controlled in part by the parathyroid glands.
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Answer:
Hormones
endocrine
pituitary
adrenal
less
prostaglandins
thyroid
Steroidal hormones enter the cell directly and interact with DNA inside the nucleus. These hormones change gene expression, affecting the RNA that is produced and the proteins that are translated in a cell. Nonsteroid hormones do not enter the cell. Instead, they bind to specific receptors on the outside of the cell membrane. This triggers molecules called secondary messengers, such as cAMP, to begin their work of relaying information in the cell, where other chemicals, messengers, and proteins are involved to create a cellular response.
Explanation:pf
what is meaning of semenation
Answer:
I think you have spelt it wrong, it is cementation
Explanation:
Definition of cementation
1 : a process of surrounding a solid with a powder and heating the whole so that the solid is changed by chemical combination with the powder. 2 : the act or process of cementing : the state of being cemented.
Explanation:
After Having intercourse
Female look at male partner
And her partner semen at her in the end.
Define restorative care and what role it would play in helping with Mrs gregs rehabilitation how could the psw assist with this process
Restorative care has been a part of the process of rehabilitation and it totally focuses on helping the patients to regain their old happy and independent life.
What is restorative care?Restorative care is defined as mental care, social care, as well as emotional care. Restorative care has been a part of the process of rehabilitation and it totally focuses on helping the patients to regain their old happy and independent life.
The main objective of rehabilitation center is to minimize the harmful effect of the dangerous health diseases as well as conditions generated from the chronic diseases.
Therefore, Restorative care has been a part of the process of rehabilitation and it totally focuses on helping the patients to regain their old happy and independent life.
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the sap is transported from roots to leaves through xylem by :
{A}.... transpiration pull
{B}.... adhesion
{c}.... Cohesion
{D}....TACT force
answer is A transpiration pull
Collect information regarding the hazardous diseases caused by
microorganisms. Prepare a Virtual Science Album regarding the microbes and the diseases caused by them.
Answer:
the best friend to strangers back to you soon love motorcycle pictures I love motorcycle ️ to Ask you too I don't know the answer
Let's remind ourselves of what we predicted last week:
Go to question 4 on Lesson 7 and review what you predicted would happen to the populations of the buffalo and wildebeest after
1975.
Lesson 7 question 4 # is
4. Could these discoveries help predict the patterns we may see in the population size due to things like the emersion and elimination of the rinderpest? Based on our simulation results what do we predict will happen to the populations of the buffalo and wildebeest after 1975?
Yes, these findings are pretty helpful in predicting trends in population growth that might result from situations like the advent and eradication of the rinderpest. The outcomes of the simulations we performed to forecast what will happen to the buffalo and wildebeest populations after 1957 it will go back to normal.
1. Revisit your prediction from Lesson 7. What information would you need to know in order to determine if your prediction was correct? Explain why the information would help determine if your prediction was correct.
Answer: My hypothesis is correct because in the 1960s, the buffalo population in Serengeti National Park, Tanzania, began increasing at a rate much faster than before. Scientists determined that this increase was due to several factors, including the eradication of a disease called rinderpest and this how I think my hypothesis is correct.
Explanation:
and
wans
Using the 10% rule when
studying trophic pyramids, if
the primary consumers obtain
100 Joules of energy from the
autotrophs, how much energy
is then passed on to the
carnivores?
A. 100 Joules
B. 0.1 Joules
C. 10 Joule
Using the 10% rule when studying trophic pyramids, if the primary consumers obtain 100 Joules of energy from the autotrophs Carnivores receive an energy transfer of 10 Joules.
Trophic level is referred to as the level of an ecosystem as well as a nutritive chain or food chain.
What does the trophic level 10% rule mean?
The trophic level 10% rule states that only 10% of the energy in an ecosystem will be transferred from one trophic level to the next.
Based on their eating habits, a chain of organisms is separated into various tiers. The producers, or green plants, make up the first and lowest stratum, the primary consumers or the herbivores make the 2nd trophic level and the carnivores or secondary consumers make up the 3rd trophic level and within these energy is transferred.
In this question, the herbivores obtain 100J of energy from autotrophs now according to 10% law only 10% of this energy will be transferred to carnivores thus,
10 = [tex]x[/tex]/100 ×100
[tex]x[/tex]= 10J
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We're not sure what the function of
a. exocytosis
b. osmosis
c. pinocytosis
d. phagocytosis
…is
Answer:
read explanation
Explanation:
the cells transporting substances from the interior of the cell then to the exterior of the cellBiodiversity is important for the sustainability of ecosystems. However, many of the human actions that are aimed at growing communities are decreasing the biodiversity of these areas, leaving populations and ecosystems vulnerable. As human populations grow, the terrestrial and aquatic ecosystems they use may be transformed by the efforts of human beings and biodiversity losses typically accompany these processes. Which of these actions decrease biodiversity and threaten sustainability? Select ALL that apply.
A Regulated hunting seasons artificially decrease hunted populations, often leading to extinctions.
B Decreased use of pesticides and fertilizers can allow for increased damage to plant life.
C Invasive (non-native) species may outcompete native species for food and habitat.
D Habitat destruction reduces or eliminates the food resources and living space for most species.
E Pollution from building and commercialization can create health problems in exposed organisms.
Habitat destruction reduces or eliminates the food resources and living space for most species. So the correct option is D.
What is biodiversity?The diversity of animals, plants, fungi, and even microorganisms like bacteria that comprise up our natural environment are all included in what is known as biodiversity.
These many species and critters collaborate in complicated web-like ecosystems to keep things in balance and support life. All of nature that we require for survival, including food, fresh water, medicines, and shelter, is supported by biodiversity.
We run the danger of disturbing the equilibrium of ecosystems and losing biodiversity as people put more and more strain on the world by utilising and consuming more resources than ever before.
herefore the correct option is D.
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Which statement best represents how structure relates to function?
(A) A deer's horizontal pupils help it scan the horizon for predators.
(B) People can develop a tolerance for spicy food over time.
(C) Tortoises in the wild can live for more than 150 years.
(D) Labrador retrievers can be black, yellow, or chocolate colored.
A deer's horizontal pupils help it scan the horizon for predators. Option A is correct.
The statement "A deer's horizontal pupils help it scan the horizon for predators" best represents how structure relates to function in this context.
Structure-function relationship is a fundamental concept in biology that explains how the physical attributes (structure) of an organism are adapted to perform specific tasks or functions. In option (A), the horizontal pupils of a deer are its structural feature that is specifically adapted to serve the function of scanning the horizon for predators. Horizontal pupils provide a wider field of view, allowing the deer to monitor a larger area for potential threats. This adaptation enhances the deer's survival by increasing its awareness of its surroundings and the ability to detect predators early.
Options (B), (C), and (D) also relate to biological concepts but do not directly exemplify the concept of structure-function relationship as explicitly as option (A). While option (B) talks about human adaptation to spicy food and option (C) discusses tortoise longevity, they do not emphasize the direct connection between a specific structural feature and its function. Option (D) discusses color variation in Labrador retrievers, which is more about genetic diversity rather than a structural adaptation tied to a specific function.
In summary, the relationship between the structure (horizontal pupils) of the deer and its function (scanning the horizon for predators) in option (A) best illustrates the concept of how organisms' physical attributes are shaped by natural selection to perform specific tasks essential for their survival and success in their environment.
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11. Obesity, high sodium intake, low potassium and calcium intake and excessive alcoho
consumption are all nutritional factors that may contribute to the development of
A. Constipation
B. Hypertension
C. Peptic ulcer disease
D. Leukemia
Hypertension
hypertension is defined as a Systolic blood pressure of more than or equal to 160 mm Hg or a Diastolic blood pressure of more than or equal to 100 mm Hg.hypertension causes an inflammatory response, which causes a cascade of responsesled to atherosclerosisCardiovascular, brain, kidney, eyes are affected by hypertensionprehypertension is a SBP of 120 to 139 mmHg or DBP of 80 to 89 mmHg.primary hypertension is Elevated BP without an identified cause accounts for 90 to 95% of all hypertension casessecondary hypertension is Elevated BP with a specific cause that can often be identified and corrected should be suspected in people that suddenly develop hypertension, examples, brain tumor, thyroid diseaseTo know more about hypertension visit : https://brainly.com/question/28232601
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Error bars on a graph indicate ____
A. places where the data is likely wrong
B. places where the researcher is unsure of his or her results
C. variation in results that cannot be accounted for
D. variation in a set of data around the average
E. poor experimental technique on the part of the researcher
Error bars on a graph indicate variation in a set of data around the average.
The uncertainty or change of the corresponding coordinate of the point is shown by an error bar, which is a line drawn through a point on a graph that is parallel to one of the axes. The standard deviation of a data set is most frequently represented by the error bars in IB Biology.
Confidence intervals, standard errors, standard deviations, and other values may be displayed by error bars. Figure legends must specify what error bars are meant to depict because different error bar kinds provide very different information.
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Select the correct answer.
An agent has observed an environment. Now, it has to make some calculations based on the observations. Which process will it carry out before making a decision?
A.
learning
B.
perception
C.
knowledge representation
D.
offline computation
Answer: D offline computation
Explanation:
plato
8 Answer:
_____ is the best and least expensive way of destroying microbes.
a. Freezing c. Radiation
b. Controlling moisture levels d. Heat
9 Answer:
Because of its _____, food is a good place for microbes to grow.
a. volatility c. nutrients
b. nooks and crannies d. temperature
10 Answer:
Every 18°F (10°C) that the temperature of a food is reduced
slows chemical and biochemical reactions by almost _____.
a. three quarters c. one third
b. one half d. two thirds
Answer:
8: d: Heat.
9: c: Nutrients.
10: b: One Half (?).
Hope this helps <33
The debate the founding fathers had over legislature was?
The debate that the founding fathers of America had over the legislature was known as the Great Debate.
The change from the Articles of Confederation to the United States Constitution wasn't smooth, and there were numerous lengthy discussions both before and after the convention to address the issues with the earlier document. But one thing was clear, something needed to change. The Constitutional Convention of 1787 brought together fifty-five delegates to discuss the best ways to modify the existing text.The Federalists and the Anti-Federalists represented opposing viewpoints in the Great Debate. The Anti-Federalists opposed the ratification of the Constitution, whereas the Federalists did. The inclusion of the Bill of Rights was one of the main topics of discussion between these two parties. The Federalists claimed that this amendment was unnecessary since, as written, the Constitution merely limited the powers of the government, not the people. The Anti-Federalists argued that without a Bill of Rights, the populace would be vulnerable to despotism and that the Constitution granted the federal government an excessive amount of power.Learn more about the US Constitution here:
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I’m almost done guys kind of stuck?
1. B 2. C 3. D 4. A 5. E is the concluded answer.
The contrary is true; the frequency is the quantity of completed wave cycles per second. Both amplitude and wavelength are length units. The height of the wave's crest relative to the wave's midline is measured by amplitude. The horizontal separation between cycles is measured by the wavelength. While frequency, cycle, and wavelength are constant, the wave form has lower peak values the lower the power, or amplitude. Example 5: The height or peak of the wave form illustrates amplitude. Despite having the same frequency, cycle, and wavelength, two or more wave patterns may not be perfectly aligned.
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Please help asap!! It's due Monday!! THE 1ST PAGE IS THE WORDS I NEED THE SECOND PAGE TO BE FROM!!
Scientific term is the related term, which shows and reveals science, which is neither ideological nor based on common sense. It is a term used in scientific language, unknown to those who are not scholars of a particular branch.
How do you spell the scientific name?procarionte - before, in front/nucleusosteocyte - bone/ cellmacrophage - large / eatmicroscope - small / instrument for viewingeukaryote - good,true / nucleusgenealogy - race, offspring / studyphotosynthesis - light / to put togetherautotroph - self-operating / food, feedingmetaphase - a boundary, or turning point/ appearenceglycolysis - sugar / a releasing, looseningtonsillectomy - an end,complete / cut outextracellular - out/ having to do with cellsWith this information, we can conclude that Such a name is called a binomial name or a scientific name. The generic name or the initial part of the name highlights the genus to which an organism belongs.
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the most important factor contributing to the modern day extinction of hundreds of species on the eartjh
Answer:
More than a century of habitat destruction, pollution, the spread of invasive species, overharvest from the wild, climate change, population growth and other human activities have pushed nature to the brink.
something in an experiment that can changed is called what?
a. cell.
b. variable.
c. hypothesis.
d. dependent
Answer:
B
Explanation:
What is done with the oxygen left
as a product of photosynthesis?
A. used to build tissues
B. used as a waste product
C. used to remove carbon dioxide from plants
D. used as a light source
Answer:
B. used as a waste product
Explanation:
since oxygen is whats left after photosynthesis happens and is whats left
Answer:
c
Explanation:
Used to remove carbon dioxide from plants. That is how plants keep our air breathable. Correct me if I'm wrong.
if calcium is given, then bone strength will increase. what is the controlled variable?
Why does oil not dissolve in water?
-Water molecules form hydrogen bonds with each other and exclude oil molecules.
-Oil molecules covalently bond together, forming droplets that separate from water.
-Water molecules do not form strong attractions to nonpolar molecules, like the ones in oil.
-Oil is less dense than water, which causes it to separate from water instead of dissolving.
Water molecules make hydrogen bonds with each other, it exclude oil, which is a hydrophobic substance.
what are the properties of water molecule ?It is a polar molecule which is odorless, more transparent; Its nucleus contain the oxygen atom of water attracts electrons than the nuclei of the hydrogen atoms of the molecule
There are different property of water molecule like strong cohesive property in which the attraction of molecules is referred to as cohesion.
The molecule of Water composed up of one oxygen atom and two hydrogen atoms which are hydrophobic, oil is non polar or hydrophobic molecule can not attracted to water molecules.
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If data is biased, the data is 40. It might be Partially correct, but it is not scientifically accurate true or false
Answer: True ( I think. )
Explanation:
A biased dataset does not accurately or truly represent a model's use case.
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A volcanic eruption covers a wide area of forest with ash lava and volcanic rock which of these describes the first stage of ecological succession that will begin to return biotic factors back to the forest community and return it to a state of equilibrium
The process of primary succession will take place to return the forest to a state of equilibrium.
After an earthquake or volcanic eruption, lichens break down the rocks to produce new, nutrient-rich soils. This process is known as primary succession. Pioneer species are the first species that settle a region following a significant disturbance; they contribute to shaping the new ecosystem. Primary succession happens when new land is created or rock is exposed, such as after a volcano eruption like the ones on Hawaii's Big Island. New land is continuously being generated as the lava flows into the ocean. Every year, the Big Island gains about 32 acres of new land. First, certain hardy plants and lichens with little soil requirements, known as pioneer species, can develop because weathering and other natural forces degrade the substrate sufficiently.Therefore, option C. is correct.
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what is the tonicity of honey
Answer:
Is honey hypertonic?
Image result for what is tonicity of honey
Honey is 70 to 80% sugar and this high percentage causes hypertonic conditions that may lead to lysis of microbial cell walls.
Explanation:
hope this helps
Honey is hypertonic, meaning it absorbs water quickly. As a result, it can keep a tear dry and draw off the fluid that bacteria require to survive.
What is tonicity?Tonicity is a solution's ability to change the volume of cells by changing their water content. When water enters a cell, it can cause hypotonicity or hypertonicity when it exits the cell.
Hypotonic fluid contains less fluid, sugars, and salt than blood. Hypertonic fluid contains more fluid, sugars, as well as salt than blood.
Isotonic fluid, sugars, and salt concentrations are the same as those found in blood.
Honey is hypertonic, which means it quickly soaks up water. As a result, it can keep a tear dry as well as draw off the fluid required by bacteria to survive.
Honey has such potent antibacterial properties that it can treat severe conditions such as MRSA, which is recognized to be resistant to conventional antibiotics.
Thus, it can be concluded that honey is hypertonic.
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Identify the functions performed by all living cells/orgamisms
Answer:
Whether in plants, humans, or animals, they connect to create a solid, well formed organism. In humans, cells build tissues, tissues form organs, and organs work together to keep the body alive.
Explanation:
if correct mark me brainliest
Which of the following is an ADVANTAGE of using coal for energy?
A. it has lots of impurities
B. it produces lots of ash
C. it releases lots of carbon dioxide
D. it releases lots of heat
Answer:
the answer is D. it releases lots of heat
Coal releases lots of heat is an advantage of using coal for energy. Therefore, the correct statement is option D.
What are the disadvantages of using coal?Coal is a fossil fuel that is used to generate energy in many parts of the world. When coal is burned, energy is released in the form of heat that generates electricity. Coal is a fossil fuel used for centuries to provide heat to homes, industries, etc., and provides a significant source of electricity in many parts of the world.
Coal is also relatively abundant and is easily transported, which makes it cost-effective for energy production. However, there are also several disadvantages to using coal.
Burning coal produces a large amount of carbon dioxide, a greenhouse gas contributing to climate change. Coal mining and transport also have negative impacts, such as air and water pollution, habitat destruction, and displacement of communities.
Therefore, coal releases lots of heat is an advantage of using coal for energy.
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Form a hypothesis to explain the shape of this graph
Answer:
Can you please show the graph for i can help you?
Explanation: