Answer:
flax is a stem fiber that is used to make linen. a smooth shiny fabric made from flax
Include an explanation of how the surface area-to-volume ratio, diffusion rate, and time for substances to reach the center are related. Support your explanation with data
Answer:
simple:
Explanation:
When the cell increases in size, the volume increases faster than the surface area, because volume is cubed where surface area is squared. When there is more volume and less surface area, diffusion takes longer and is less effective.
the statement its postganglionic axons always use acetylcholine as the neurotransmitter is
The statement "its postganglionic axons always use acetylcholine as the neurotransmitter" is true only for the parasympathetic nervous system.
What is the parasympathetic nervous system NS?The parasympathetic nervous system NS can be defined as an interconnected network of nerve fibers that can be activated in diverse body reactions such as in presence of stressful and dangerous situations.
This system (parasympathetic nervous system NS) is composed of the craniosacral components of the nerve system that connect with the peripheral tissue. i.e., the parasympathetic nervous system consists of the diverse nerves originating from the brain area or the sacral area located in the spinal cord.
Therefore, with this data, we can see that the parasympathetic nervous system NS is composed of networks of nerve fibers that are able to reproduce concomitant responses during stress and danger.
Complete question:
Fill in the blank. The statement "its postganglionic axons always use acetylcholine as the neurotransmitter" is true only for the _______ NS
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Which of the following does not happen to water as it goes through the water cycle?
( ASAP )
A. Liquid water gains energy from the sun and evaporates.
B. liquid water falls to earth as precipitation
C. Water vapor cools and condenses to form clouds.
D.Water vapor warms and becomes precipitation
The water cycle, also known as the hydrologic cycle, is the continuous process by which water is circulated throughout the Earth and its atmosphere. The cycle consists of several processes, including evaporation, condensation, precipitation, and transpiration.
The option that does not happen to water as it goes through the water cycle is option D. Water vapor does not warm and become precipitation during the water cycle. Instead, as water vapor cools, it condenses into liquid water droplets or ice crystals and falls to the Earth's surface as precipitation. Precipitation can take the form of rain, snow, sleet, or hail, and is an important part of the water cycle, as it replenishes the Earth's water resources. After precipitation, the water may flow into rivers, lakes, or oceans, where it can evaporate and begin the cycle anew.
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what is the best reason why gloves should be changed periodically while working with biohazards? gloves have a ten minute shelf life once removed from the box glove integrity will weaken over time with glove use and stretching sweat build up from the gloves can make the gloves very slippery the glove color will diminish over time and leak into research materials
The best reason why gloves should be changed periodically while working with biohazards is to ensure the safety of the individual performing the task as well as the integrity of the research being conducted.
Gloves have a shelf life of ten minutes once they are removed from the box, which means that after ten minutes, the gloves' effectiveness in preventing the spread of biohazards diminishes. With continued use and stretching, the integrity of the gloves can weaken over time, potentially leading to tears or punctures, which could result in the spread of harmful materials.
Additionally, sweat build-up from prolonged use of gloves can make them slippery, which increases the risk of accidents. Finally, the color of the gloves may diminish over time, and if they are not changed periodically, the dye from the gloves can leak into the research materials, potentially compromising the validity of the research.
Therefore, changing gloves periodically is essential when working with biohazards to ensure the safety of all involved and the accuracy of the research.
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Which of the following statements is false?
A)
Concentration is the number of particles in a given unit of volume.
B)
Viscosity lets a water strider(insect) walk on the calm surface of a pond.
C)
Candle wax is an amorphous solid.
D)
A gas is a fluid.
think I already know the answer but just checking!!!!
Answer:
D a gas is a fluid
Explanation:
Because gas is an air , not a fluid
how are utah and mexican praire dogs genes alike
Answer:
In terms of genetic variation, allelic richness (A) estimated through rarefaction resulted in 1.6–3.0 mean alleles per colony, and no private alleles were found. Mean genetic diversity (HE) was 0.525 (SD = 0.11), with values ranging from 0.276 (SD = 0.25) to 0.618 (SD = 0.09).
Explanation:
Utah prairie dog (Cynomys parvidens), and Mexican prairie dog (Cynomys mexicanus)—all of which may be considered rare (Hoogland 2006a). After 200 years of shootings, poisonings, conversion of habitat, and more recently plague, prairie dog numbers are a fraction of what they once were. Two of the species (Utah and Mexican) are listed as threatened or endangered under the Endangered Species Act (ESA).
Why is photosynthesis an important process to plants? What does this process do for all plants?
Photosynthesis is an important process for plants because it allows plants to convert sunlight into energy for them to use. Essentially, plants use photosynthesis to generate "food" for themselves.
-Give an example of a scientific law.
-Give an example of a theory in science.
Please help :)
Answer:
An example of a scientific law is Newton's first law.
Explanation:
It says that every object will remain at rest or in uniform motion in a straight line unless forced to change direction by the action of an external force.
An example of a theory in science is the Big Bang theory. It is something that someone came up with that is a rational explanation to explain why or how something happened or came into place.
one of the traits studied by mendel was plant height with two variations tall pea plants (dominants), and dwarf plants (recessive). if a true-breeding tall pea plant is crossed with a true-breeding dwarf pea plant what will the offspring look like?
The offspring will look like "tt" if a true breeding tall pea plant is crossed with a true-breeding dwarf pea plant.
Tall plants are predominant regarding bantam or dwarf plants. Tall plants formed due to breeding of only tall attributes. Assuming the quality for this characteristic is meant by the letter "T"
i.e Let the predominant qualities for Tall pea plants be T
Let the attributes for the dwarf pea plants be t
To decide the genotype of the bantam pea plant, where the dwarf attributes will be communicated:
We need to cross the Tt × Tt
T
T Tt
t tt
We got offsprings as ( TT, Tt, Tt, tt )
TT = Predominant tall pea plant
2 Tt = Two heterozygous tall pea plant.
tt = dwarf pea plant.
Hence, offspring will look like "tt".
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i did bad on a response assignment that was 100 points and worth 60% of my grade . will it be hard for me to get an a? I don’t know my grade yet but I’m sure I did terrible
Answer:
It will be challenging but to get an a, you will need to study harder day and night to succeed. Don't be discouraged, Never give up! you just have to have confidence.
Explanation:
Describe a physical adaptation of chipmunks. Use complete sentences.
Answer:
A physical adaptation of chipmunks would be their fur thinness or thickness. If their environment demands that they need thicker fur to keep them warm, they will start to grow more fur to adapt physically to the environment.
Explanation:
At the end of Chapter 5, Berck and Helfand find compensating variation (CV) and equivalent variation (EV) for wolves in Yellowstone Park - a publicly provided good. Assume wolves are a good to the individual whose preferences we are modeling, i.e., the individual wants more wolves in the wild, all else equal. Suppose there exists 5 wolves in Yellowstone Park, and the average individual has income of \$y. The individual's consumption bundle is A, and the initial indifference curve is I0. Suppose an environmental group provides funds for habitat, and it's expected this habitat will result in 5 more wolves in Yellowstone. Assume the individual's income stays the same. The new consumption bundle is B, and the new indifference curve is I'. Complete the following tasks all on one graph. A. Using our properties of indifference curves (i.e., make them crescent shaped), plot the initial bundle (A) and label with appropriate income and wolf count. Draw the initial indifference curve (I
0
). Be sure to label the graph completely. (Hint: Easiest to place a composite good on the vertical axis, wolf count on the horizontal axis) ( 2 pts) B. Draw the new indifference curve and identify the new consumption bundle (B) while labeling with the appropriate wolf count. ( 2 pts) C. Identify the theoretical consumption bundle (call it C ), that uses the original wolf count but lies on the new indifference curve I'. (2 pts) D. Label the area on the on the vertical axis that corresponds to the EV and CV of these changes. Then in the margins, define CV and EV as it relates to this specific problem
The initial bundle (A) is represented by the consumption combination (A, I0) with an income of y. Consumer surplus and compensating variation are both concepts in microeconomics that relate to the study of consumer behavior.
The initial indifference curve (I0) is a curved line that slopes upward to the right, indicating that as the individual consumes more of the good, their preference for that good increases, but their preference for the other good remains constant.
The new indifference curve (I') is a curved line that slopes upward to the right, indicating that as the individual consumes more of the good, their preference for that good increases, but their preference for the other good remains constant.
The new indifference curve (I') is plotted on the any type of graph as a curved line starting from the origin, with the vertical axis representing wolf count and the horizontal axis representing income.
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Correct Question:
At the end of Chapter 5, Berck and Helfand find compensating variation (CV) and equivalent variation (EV) for wolves in Yellowstone Park - a publicly provided good. Assume wolves are a good to the individual whose preferences we are modeling, i.e., the individual wants more wolves in the wild, all else equal. Suppose there exists 5 wolves in Yellowstone Park, and the average individual has income of y. The individual's consumption bundle is A, and the initial indifference curve is I0. What is the difference between consumer surplus and compensating variation?
A red flower is mixed with a white flower and the offspring come out all pink what type of dominance is this?
A. Incomplete
B. Codominance
Answer: Incomplete dominance
Explanation: In incomplete dominance, there will be a mixture of the two alleles. In codominance, both alleles are expressed in the phenotype. In this case, an example of codominance would be the flower being half white and half red.
Which compounds, along with other inorganic and organic compounds, especially important for chemotrophs in the ocean? A) Iron B) Oxygen C) Helium
Answer:
A) Iron
Explanation:
Iron is the element that is important for the chemotrophs in the ocean because the plants used this iron for making different compounds necessary for plant's survival. Chemoautotrophs uses inorganic energy sources, of which hydrogen sulfide, elemental sulfur, ferrous iron, molecular hydrogen, and ammonia are most important. Chemoautotrophs are organisms that are able to use chemical energy obtained through the oxidation of reduced compounds.
Answer:
helium
Explanation:
i just got it right
in an area populated by the following species i.e Foxes, rabbits, grass hopper , field mice. which species would most probably have the largest population?
Answer:
field mice
Field mice give birth to a lot of children every time they give birth- they can give birth up to 4. They never go hungry- if they can not find food, they will eat their children.
The species that have the largest population is field mice.
What is a field mouse?It is the mouse where it should be inhabited the woods and fields & gardens. It contains various kinds of rodents that resembled the rats and pointed the snouts.
Field mice give birth to many children each and every time. At one time it gives birth to a maximum of 4. Also, they never go hungry in the case when they don't have food so they eat the children.
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Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
The large diversity of shapes of biological molecules is possible because of the extensive presence of _____ in the molecules. view available hint(s)for part a nitrogen carbon sulfur oxygen hydrogen
According to the research, the correct option is carbon. The large diversity of shapes of biological molecules is possible because of the extensive presence of carbon in the molecules.
What is carbon?It is an element with atomic number 6 that usually appears in the atmosphere, in living organisms and as a mineral characterized by the ability to give rise to chains.
Its molecular structure gives it the ability to form stable bonds with other elements, forming large biological molecules such as the molecule (DNA) that can contain all the necessary information on how to produce and maintain any organism.
Therefore, we can conclude that according to the research, the correct option is carbon. The large diversity of shapes of biological molecules is possible because of the extensive presence of carbon in the molecules.
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Hasan is nervous for an oral presentation. His heart beats rapidly, his palms are sweaty, and his breathing has increased. Which part of the nervous system has been activated
The sympathetic division of the autonomic nervous system has been activated in Hasan's case.
The autonomic nervous system (ANS) is responsible for regulating involuntary bodily functions, including those related to stress and arousal. The ANS has two main divisions: the sympathetic division and the parasympathetic division.
In Hasan's situation, the sympathetic division of the ANS has been activated. This division is responsible for the body's "fight-or-flight" response, which occurs in times of stress, fear, or excitement. Activation of the sympathetic division leads to physiological changes designed to prepare the body for action. These changes include increased heart rate (causing rapid heartbeat), activation of sweat glands (resulting in sweaty palms), and increased respiratory rate (leading to heightened breathing).
These physical symptoms, such as rapid heartbeat, sweaty palms, and increased breathing, are typical physiological responses to stress or anxiety. They are part of the body's natural stress response mediated by the sympathetic division of the autonomic nervous system.
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Cardiac monitoring, pharmacological interventions, and other advanced treatment skills are functions of the:________
Cardiac monitoring, pharmacological interventions, and other advanced treatment skills are functions of the Paramedics.
Who is called a Paramedic?A medical worker with expertise in emergency care is called a paramedic. They aren't medical professionals like doctors, nurses, or PAs. The phrase "paramedic" combines two words. A paramedic's ability to make quick choices and maintain composure is essential. The senior member of a two-person ambulance crew is typically a paramedic, who is assisted by an emergency care assistant or technician. Usually one of the first medical personnel on the scene of an emergency is a paramedic. They are also referred to as emergency medical personnel.
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Which of these anterior pituitary hormones regulates the endocrine activity of the cortex region of the adrenal gland?.
The pituitary produces a hormone called adrenocorticotropic hormone. Cortisol generation and release from the cortex (outside part) of the adrenal gland are its primary functions.
The anterior and posterior pituitaries make up the pituitary gland. The anterior pituitary, also known as the adenohypophysis or pars anterior, is the glandular anterior lobe that, along with the posterior lobe (also known as the posterior pituitary or neurohypophysis), constitutes the pituitary gland (hypophysis), Stress, growth, reproduction, and lactation are among the physiological processes that the anterior pituitary controls.
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naumann, m., and meixensberger, j. (1990) factors influencing meningioma recurrence rate. acta neurochir (wien) 107, 108-111
The provided information appears to be a citation for a scientific article titled "Factors influencing meningioma recurrence rate" by Naumann, M. and Meixensberger, J. published in Acta Neurochir (Wien) in 1990.
Based on the given citation, it is not possible to provide a clear and concise answer to a specific question. The information provided is simply a reference to a scientific article. To understand the factors influencing meningioma recurrence rate, one would need to access and read the full article.
In general, factors that can influence meningioma recurrence rate include:
1. Tumor characteristics: The location, size, and histopathological features of the meningioma can affect its likelihood of recurrence.
2. Extent of surgical resection: The extent to which the tumor is surgically removed can impact the recurrence rate. Complete resection (removal of the entire tumor) is associated with a lower recurrence rate compared to subtotal resection.
3. Adjuvant therapies: Radiation therapy or other adjuvant treatments may be used after surgery to reduce the risk of recurrence.
4. Genetic factors: Some genetic mutations have been associated with an increased risk of meningioma recurrence.
5. Patient age and overall health: The age and general health of the patient can influence the likelihood of recurrence.
It is important to consult with a medical professional or neurosurgeon to fully understand the factors influencing meningioma recurrence rate and to discuss individualized treatment options.
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Lyla is playing a game in math class where the students describe a number they are thinking of and the class uses clues to determine which type of number it is. lyla tells her class that she is thinking of a positive number with infinitely many nonrepeating digits after the decimal point. which type of number is lyla thinking of?single choice.
Lyla is thinking of an irrational number.
Irrational numbers are numbers that cannot be expressed as the ratio of two integers and have infinitely many non-repeating digits after the decimal point. Unlike rational numbers, which can be written as a fraction, irrational numbers cannot be expressed as a fraction or ratio of integers. Examples of irrational numbers include pi, the square root of 2, and the golden ratio. In this case, Lyla's number has infinitely many non-repeating digits after the decimal point, which is a characteristic of irrational numbers. Therefore, Lyla's number is an irrational number.
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What happens as changing global temperatures affect polar ice?
Answer: OMG THIS IS SOMETHING I KNOW ABOUT!! OKAYYY. When the global temperatures affect the polar ice, the ice start to melt. If the ice melts then the polar bears could loose their home, and would not have any other place to live. Polar bears need a very cold place to live, because it's suitable for them. Umm also The polar ice could eventually flood some parts of the earth causing a global flood!!
Explanation: Also if they have any left, sign the petition to save the polar bears.... they need help fastt! also, they (trump) want to drill into the ice to get some type of "oil" out the ice!! Please they need help!
What is the major difference between an endospore of a bacterium and an exospore of a fungus? 27 Answers AD A Fungal exospores are not for reproduction B Endospore of bacteria are dormant forms which are highly resistant too C Endospores are developed in all bacteria but not all fungi form exospores D Endospores are formed as a mean of reproduction in bacteri
The major difference between an endospore of a bacterium and an exospore of a fungus is that B, endospores are dormant forms which are highly resistant to environmental stresses, while exospores are not.
What are endospore and exospores?Endospores are formed by some bacteria, such as Bacillus anthracis, as a means of survival in harsh environments. They are metabolically inactive and can withstand extreme temperatures, radiation, and chemicals. When conditions improve, the endospore can germinate and the bacterium can resume its normal life cycle.
Exospores are formed by some fungi, such as actinomycetes. They are not as resistant to environmental stresses as endospores, but they can help the fungus to disperse and colonize new areas.
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Scientists have studied the return of plant life on Mount St. Helens ever since the volcano erupted in
1980. Wildflowers began colonizing the area, followed by shrubs and small trees. Scientists predict
that it will likely take hundreds of years before the area returns to a forest dominated by fir and
hemlock trees. These changes are an example of:
a. humans degrading an ecosystem by removing wildflowers
b. the loss of genetic variation in a plant species
C. the growth of a forest through ecological succession
d. the biological evolution of wildflowers, shrubs, and trees
Answer:
C.
The ecosystem there will definitely go through ecological succession by which the structure of the flora there will evolve over time into forests.
Explain the process of homeostasis through BOTH negative and positive feedback
How are simple carbohydrates able to form larger macromolecules?
A. Organic compounds chemically combine using carbon, hydrogen, and oxygen atoms.
B. Organic compounds chemically combine with inorganic compounds to form large macromolecules.
C. Larger macromolecules first break down into smaller macromolecules and combine during the reaction.
D. The hydrogen in the smaller macromolecules combine to form larger macromolecules.
Answer:
Organic compounds chemically combine using carbon, hydrogen, and oxygen atoms.
What is a test tube holder called?
Test tube racks are pieces of scientific equipment used to keep many test tubes upright at once.
They are most frequently employed when several distinct solutions must be utilised simultaneously, for safety reasons, for the secure storage of test tubes, and to facilitate the transportation of several tubes. A test tube rack is a piece of lab equipment used to simultaneously keep several test tubes upright. When numerous solutions are being worked on or gathered at simultaneously, they are very helpful for organising test tubes. As it prevents the effects of dangerous chemicals falling on the body and skin, it is also used to hold test tubes while performing essential chemical reactions.
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how can we correlate the genome with rna expression data in a tissue or a single cell? . single-cell RNA sequencing b. direct assays of the gene product c. DNA sequencing d. RNA sequencing e. DNA microarrays
In order to correlate the genome with RNA expression data in a tissue or a single cell, there are several techniques available. One of the most widely used techniques is single-cell RNA sequencing, which allows for the analysis of gene expression in individual cells. This technique can be used to identify genes that are differentially expressed between different cell types or in response to different stimuli.
Another technique that can be used is direct assays of the gene product. This involves measuring the protein or RNA products of individual genes directly, which can provide more accurate information about gene expression levels.
DNA sequencing can also be used to correlate the genome with RNA expression data, particularly in cases where genetic mutations or variations are known to affect gene expression.
Finally, DNA microarrays and RNA sequencing can be used to measure the expression levels of thousands of genes simultaneously, providing a comprehensive view of gene expression patterns in a tissue or single cell. Overall, a combination of these techniques is often used to gain a better understanding of the relationship between the genome and RNA expression in a particular cell type or tissue.
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What are the reactants of cellular respiration?
Answer:
cellular respiration
C6H12O6 + 6O2 → 6CO2 + 6H2O.
reactants are C6H12O6 + 6O2
I. e sugar and oxygen.