Flow rate of blood through a vessel is inversely proportional to:______.

a. vascular gradient

b. pressure gradient

c. vascular resistance

d. pressure back flow

e. vessel strength

Answers

Answer 1

The flow rate of blood through a vessel is inversely proportional to vascular resistance. Vascular resistance refers to the resistance encountered by blood flow as it passes through the blood vessels.

It is influenced by factors such as the diameter of the vessel, vessel length, and blood viscosity. When vascular resistance increases, blood flow decreases, and vice versa.The other options listed do not have a direct inverse relationship with flow rate. a. Vascular gradient refers to the difference in pressure between two points along a vessel, but it does not determine flow rate on its own.b. Pressure gradient, on the other hand, is directly proportional to flow rate according to the relationship described by Poiseuille's law.d. Pressure backflow is a phenomenon associated with inefficient valves and does not directly relate to flow rate.

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Related Questions

One key piece of evidence as to the timing of the most lethal event is:
a. The DNA is the same for all the victims
b. People's pets were found with them
c. Collapse of the walls from the big earthquake
d. Lahar deposits that cover the site
e. most bodies are found in a single surge layer

Answers

Most bodies are found in a single surge layer. Therefore, option (E) is correct.

The majority of the bodies were found in a single surge layer, which is the main indicator of the timing of the most fatal incident. This implies that a catastrophic occurrence, like a natural disaster or a mass casualty event, took place at a certain period and caused the remains to be deposited in a concentrated layer.

This data suggests that a single incident, as opposed to several events spread out across time, was responsible for the high fatality rate. The presence of a distinct surge layer can offer important clues about the kind and timing of the incident that caused the fatalities.

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What gets passed through the electron transport chain and both photosystems to create energy?
A. electrons
B. oxygen
C. pigments
D. ATP​

Answers

Answer:

A. electrons

Explanation:

Energy in form of ATP is generated at both cellular respiration and photosynthesis. In cellular respiration, energy (ATP) is synthesized in the mitochondria when ELECTRONS (e-) passes through series of complexes composed of proteins called ELECTRON TRANSPORT CHAIN.

On the other hand, ATP is synthesized when ELECTRONS produced from splitting water i.e photolysis of water, passes through photosystems 1&2 in the chloroplast (thylakoid).

Answer: Electrons

Explanation: The electron transport chain is a series of molecules that accept or donate electrons easily

Small insects can walk across the surface of calm water. Their feet push the surface of the water down slightly, somewhat like a person walking across a trampoline, but they do not break the surface. What is the best explanation for why this happens

Answers

Answer:

Explanation:

Molecules within a liquid are pulled in all directions by intermolecular forces; there is no tendency for them to be pulled in any one way. However, molecules at the surface are pulled downward and sideways by other molecules, but not upward away from the surface. These intermolecular attractions thus tend to pull the molecules into the liquid and cause the surface to tighten like an elastic film.

A measure of the elastic force in the surface of a liquid is surface tension. The surface tension is the amount of energy required to stretch or increase the surface of a liquid by a unit area.  Surface tension enables small insects, like the water strider, to “walk” on water.

Small insects can walk across the surface of calm water. Their feet push the surface of the water down

Observing a cell under a microscope, your lab partner identifies it as a bacterial cell. You disagree, and identify it as a plant cell. Which of the following observations would confirm your identification of the cell?
Group of answer choices

A. The cell contains a membrane-bound nucleus

B. The cell has a cell wall that provides structure

C. The cell has a selective cell membrane

D. The cell contains genetic material

Answers

Answer:

B

Explanation:

B. The cell has a cell wall that provides structure

kyle has a cancer of the lymph nodes or glands. what type of cancer does kyle have?

Answers

it’s lymphoma cancer

1. Identify the taxa labeled A, B, C, and
Din the chart.
A.
B.
C.
D.

1. Identify the taxa labeled A, B, C, andDin the chart.A.B.C.D.

Answers

Answer:

A.Species

B.Genus

C.Phylum

D.Kingdom

What do the arrows mean on a food web or food chain

Answers

Answer: It represents the flow of energy in an ecosystem. It indicates which direction the energy and nutrients will flow. It shows the relationship between organisms.

regulates glycogen phosphorylase b in the muscle___

Answers

The regulator of glycogen phosphorylase b in muscle is the hormone adrenaline (also known as epinephrine).

Adrenaline activates a signaling pathway in muscle cells that leads to the activation of glycogen phosphorylase b, which in turn leads to the breakdown of glycogen into glucose.

Another important regulator of glycogen phosphorylase b in muscle is the enzyme protein kinase A (PKA). PKA is activated by another hormone called glucagon, which is released by the pancreas when blood glucose levels are low. Activated PKA then phosphorylates and activates glycogen phosphorylase b, leading to the breakdown of glycogen.

In addition to these hormonal and signaling pathways, glycogen phosphorylase b in muscle can also be regulated by other factors such as calcium ions, which can activate an enzyme called phosphorylase kinase, leading to the activation of glycogen phosphorylase b

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The main function of the human digestive system is to A. rid the body of cellular waste materials B. process organic molecules so they can enter cells C. break down glucose in order to release energy D. change amino acids into proteins and carbohydrates

Answers

Answer:

Hi there your answer is B

Explanation:

There are a lot of functions to the digestive system like absorbing nutrients, get rid of waste but the main function is to process organic molecules so they can enter cells.

Hope this helped :)

Human Digestive System is a complex system made up of organs, tissues, and hormones. The primary function of the human digestive system is to break down and process food into nutrient molecules.

The correct answer is:

Option B. process organic molecules so they can enter cells

The functions of the human digestive system are:

The digestive system uses a chemical or mechanical process to break down the complex food substances into nutrient molecules. These molecules are then absorbed by the cells.

The digestive system is involved in the assimilation and absorption of the nutrient molecules to yield energy.

Thus, the digestive system process the food and break it down into simpler forms, so it can be absorbed by the cells.

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sound travels to your eardrum by way of the------?

Answers

Answer:

el conducto auditivo

Explanation:

Answer:

External auditory canal

the movement of water down its concentration gradient is called?

Answers

Osmosis is the method through which water moves down a gradient of concentrations.

What is during osmosis?

Over a semipermeable membrane, osmosis is the procedure by which a solvent is transferred between two solutions with different solute concentrations. Osmosis is the procedure by which the same solvent is transported from of the liquid with the highest solute concentration to the solution the with lowest.

What is osmosis mean in biology?

Introduction. Osmosis, which means "pushing" in Greek, is the net passage of water through a semipermeable barrier. [1] [2] Water will often flow from a region having lower concentration to a low of small concentrations through this membrane.

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Pure water is an exception to this and is the only substance that has its______
density as a liquid.

Answers

Answer:

.

Explanation:

Which is the most common source of energy used by towns and cities today?

Answers

Answer:

Burnable fuels

Explanation:

Developed countries need to replace modern medicines with natural healing herbs because millions of people in China and India are already doing so. This is an example of a(n) argument.
circular reasoning
begging the question
argumentum ad hominem
bandwagon

Citizens must support reducing global climate change or all the world's major economies will crash. This statement is an example of a(n) argument.
bandwagon
argumentum ad hominem
false dichotomy
hasty generalization

Answers

Developed countries need to replace modern medicines with natural healing herbs because millions of people in China and India are already doing so. This is an example of a(n) bandwagon argument.

The statement "Citizens must support reducing global climate change or all the world's major economies will crash" is an example of a false dichotomy argument. A false dichotomy is a logical fallacy that presents two options as if they were the only ones possible, when in reality there are more alternatives. It can be seen in the above-mentioned statement as it presents only two choices, either citizens must support reducing global climate change, or the world's major economies will crash.

However, there could be other alternatives or solutions to this problem that are not being considered. In contrast, the argument "Developed countries need to replace modern medicines with natural healing herbs because millions of people in China and India are already doing so" is an example of a bandwagon argument.

 A bandwagon argument is a type of logical fallacy that suggests that something is correct or right because a lot of people are doing it. In this case, the argument suggests that developed countries should also switch to natural healing herbs because millions of people in China and India are already doing so.

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which statement best describes the role of plate tectonics in changes that occur on earth
A. the movement of plates builds pressure that is released during an earthquakes
B. convection currents in the mantle cause mountain ranges to slowly collapse over time
C. the subduction of oceanic crust cools the mantle and prevents volcanic eruptions
D. seafloor spreading causing ocean basins to get smaller and shallower over time

Answers

Answer:

A

Explanation:

Just took the quiz

The statement that best describes the role of plate tectonics in changes that occur on earth is that the movement of plates builds pressure that is released during an earthquake, which is option a.

What is plate tectonics?

Plate tectonics is the theory that explains the large-scale movements and interactions of the Earth's lithospheric plates, which make up the outermost layer of the Earth. These plates are made up of both the crust and the uppermost part of the mantle, and they move and interact with each other over time. The movement of plates is driven by convection currents in the Earth's mantle, which is the layer of hot, molten rock that lies beneath the crust. These currents cause the plates to move apart from each other at divergent plate boundaries, where new ocean crust is created.

Hence, the correct answer is that the movement of plates builds pressure that is released during an earthquake, which is option a.

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Do you think that heat and light have mass? Do they occupies space?​

Answers

Answer:

heat and light doesn't have mass and doesn't occupy space. they're forms of energy

Explanation:

Someone please help me get this done

Someone please help me get this done

Answers

Some species boast armature such as thorns, or spines that ward off slavering herbivores. Some are loaded with poisons to sicken or kill them. And while tomatoes may not be able to scream, as L. Ron Hubbard once claimed, some plants do emit compounds that warn their compatriots of approaching threats: the botanical equivalent of a smoke signal.

please help!!!!!!!!!!!!!

please help!!!!!!!!!!!!!

Answers

Answer:

drafting the blueprints for the new hospital

Explanation:

because with her degree as a structural engineer,

she is not qualified to interview doctors and nurses for the new hospital because she is not knowledgeable in that areapouring concrete is for another area of work as a construction workeroverseeing all the workers on the hospital project is for a construction manager/ project manager

Answer:

drafting the blueprints

Explanation:

hope this helps

3.what are the roles of the lateral hypothalamus and ventromedial hypothalamus in signaling hunger and satiety? be sure to mention the concept of a ""set-point"" in your answer.

Answers

The lateral hypothalamus signals hunger, while the ventromedial hypothalamus signals satiety. The set-point theory proposes a biological mechanism for regulating body weight.

The lateral hypothalamus (LH) and ventromedial hypothalamus (VMH) are two brain regions that play crucial roles in regulating hunger and satiety.

The LH is involved in stimulating hunger by releasing the neurotransmitter orexin, while the VMH is involved in signaling satiety by releasing the neurotransmitter serotonin.

The set-point theory suggests that the body has a specific weight or level of fat that it strives to maintain and that the hypothalamus plays a key role in regulating food intake to maintain this set-point.

When the body's energy stores fall below the set point, the LH is activated, leading to an increase in hunger and food intake. Conversely, when the body's energy stores exceed the set point, the VMH is activated, leading to a decrease in hunger and food intake.

However, this set point can be influenced by various factors such as genetics, environment, and lifestyle, which can cause it to shift up or down. In cases of obesity, the set point may be raised, leading to increased hunger and difficulty in losing weight.

Understanding the role of the LH and VMH in regulating hunger and satiety can help in developing strategies to maintain healthy body weight and prevent obesity.

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How might the surface of the Earth be different if it were not divided into tectonic plates?

Answers

Answer:

Answer down below.

Explanation:

Well, for one thing, there would be no earthquakes. (I'm actually in this unit in my science class.) But there would also be no plate motion. If we started this Earth with no plate movement, really no plates at all, we might sink into the Mantle. Or, maybe would step somewhere, and the ground beneath us would give way to the weight. Like the GPGP (Great Pacific Garbage Patch), we might just float around the ocean. Plates are very important.

How do sound waves travel?
Sound waves radiate outward from a central point.
Sound moves randomly in different directions.
Sound causes the air near it to vibrate inwards.
Sound transforms waves into different frequencies.

Answers

Answer:

A

Sound waves radiate outward from a central point.

Sound waves radiate outward from a central point

Hope this helps :)

Would you say that it is becoming well-known (globally) that plastic has devastating effects on the environment, wildlife, and humans? Yes, no?

Answers

Yes. It`s been common to read and even watch news about how plastic has affected the environment, wildlife and human health. Also, many initiatives have been taken, such as the suspension of the use of straws in restaurants, for example. That shows that more and more people are aware of the damage plastic can cause.

Why might a plant cell need to have a bigger vacuole than an animal cell?

Answers

Answer:

A plant cell might need a bigger vacuole than an animal cell because when a plant has stopped growing, there is usually one very large vacuole, sometimes taking up more than half of the cell’s volume; plants have a large sized vacuoles because it also provides turgidity and rigidity to the plant.

Need help answer all 5 questions asap I need to turn it in 15 minutes some please help giving 30 points

Need help answer all 5 questions asap I need to turn it in 15 minutes some please help giving 30 points

Answers

Answering all 5 questions:

Answer 1: As shown in the picture- deer is one such biotic factor and water is an abiotic factor.

Answer 2: As an organism's survival, both biotic and abiotic play crucial parts in every organism's life. Abiotic factors are limited on this earth and with the growing population of organisms ( plants and animals), competing for getting basic things needs to become an edge for survival by parasitism, mutualism, and commensalism.

2 biotic factors like plants(food) and animals( meat) and 2 abiotic factors like soil and water- with these 2-2 biotic and abiotic factors, human beings as an organism compete with other human beings for survival.

Answer 3: Plants cannot move, however, from the germination of a seed to a fully grown-up tree, it requires space, sunlight, water, minerals, and air for which plants also compete with other trees and even with human beings for water consumption and space.

Answer 4: If animals living in arctic regions start experiencing global warming effects, they do three things: move, adapt or die. In adaptation, to the change in temperature, arctic animals may change their behavior and become less vulnerable to heat. They may also witness some body shape changes within themselves.

Answer 5: food chain is a chain of organisms where one organism acts as food for another organism to maintain the population of each organism. While food web is a collection of all food chains that exist in the ecosystem from an ant to a big elephant or a powerful lion.

Food chain and food web help in balancing the whole biodiversity of the environment.

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Which cell components does genetic screening check?

(Select all that apply.)

genes

proteins

cytoplasm

cell membranes

Answers

Answer:

genes

Explanation:

the Gene Contains The Genetic Material Called DNA.

What is one way that wetlands protect New Orleans?
A. They absorb waves from storms.
B. They create natural levees around the city.
C. They channel floodwaters out of the city during storms.
D. They do not help.

Answers

Answer:

C. They channel floodwaters out of the city during storms.

Explanation:

Answer: The correct answer is C

Explanation:

Match the organisms in column A with their actions in column B
BACTERIA- fixing nitrogen
rhizobium - setting of curd
Lactobacillus- baking curd
yeast -causing malaria
A protozoan- causing cholera
A virus-causing AIDS
- producing antibodies ​

please match the correct answers
if any doubt on my typing BACTERIA.......antibodies (I've send the photo) ASAP

Match the organisms in column A with their actions in column BBACTERIA- fixing nitrogen rhizobium - setting

Answers

Some organisms and their function is given below:

rhizobium - fixing nitrogenLactobacillus - setting of curdLactobacillus - baking curdA protozoan -causing malariaBacteria - causing choleraA virus- causing AIDS Yeast - producing antibodies ​

Biological importance of organisms

Living organisms are important biologically as they perform various roles in nature.

Some organisms play beneficial roles in the growth and development of other organisms as well as their environment.

However, some other organisms causes diseases and lead to the death of other organisms.

Some organisms and their function is given below:

rhizobium - fixing nitrogenLactobacillus - setting of curdLactobacillus - baking curdA protozoan -causing malariaBacteria - causing choleraA virus- causing AIDS Yeast - producing antibodies ​

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The Tasty Beef Processing Plants are located in Alabama. There are 10 locations and both the slaughterhouse and processing plants are located on-site. Production for each plant is 12 million pounds per year. Each plant has 50 meat grinders. The product is provided to 3,000 customers at 10,000 locations. One of the key risks is E. Coli contamination. What is the objective of this audit? Group of answer choices

To maximize revenue and operating efficiencies.

To ensure employee safety.

To ensure controls are in place and working effectively to prevent beef tainted with E. Coli.

To optimize the production process.

Answers

The objective of this audit is to ensure controls are in place and working effectively to prevent beef tainted with E. Coli. Therefore option 3 is correct.

This means the main focus of the audit is on food safety and ensuring that the processing plants are implementing appropriate measures to prevent E. Coli contamination in the beef products they produce.

The audit will assess the effectiveness of controls, such as sanitation practices, employee training, quality assurance procedures, and monitoring systems, to ensure that the risk of E. Coli contamination is minimized and that the beef products meet safety standards.

While other objectives like maximizing revenue, employee safety, and optimizing the production process are important, the primary objective of this audit specifically relates to E. Coli contamination prevention and food safety.

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1. A cell that has half the number of chromosomes in a normal body cell is a
a. Diploid
b. Haploid
C. A genetic disorder
d. Dying​

Answers

Diploid because diploid cells have 2 sets of chromosomes

Answer:

Haploid...?

Explanation:

I pretty sure Haploid has like one set of chromosomes and Diploid has 2

Can anyone please give me some examples of water soluble vitamins and fat soluble vitamins ​

Answers

Answer:

water soluble vitamins are:

thiamineRiboflavinNiacinpyridoxineFolate

(all vitamin b and c vitamins are all water soluble vitamins)

fat soluble vitamins are:

RetinolErgocalciferolcholecalciferoltocopherolsmenaquinone

( vitamin A,D,E,K are all fat soluble vitamins)

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John Brown's RaidLincoln Elected PresidentSouthern SecessionUncle Tom's CabinMissouri CompromiseLincoln-Douglas DebatesBleeding KansasFugitive Slave ActDred Scott vs. SanfordCompromise of 1850Kansas-Nebraska ActPUT IN CHRONOLOGICAL ORDER!Please be quick I will mark BRAINLIEST What would you do to solve world hunger? 5 pages and 3 paragraphs on each page.please help A researcher can correct for having expected frequencies smaller than five by ______.both A and B What do endocytosis and exocytosis have in common?13. What do endocytosis and exocytosis have in common? A: Both processes require no energy to transport particles.B: Both processes are much more efficient than active transport.C: Both processes involve photosynthesis in order to generate energy.D: Both processes involve the folding of the cell membrane. In 2021, Borland Semiconductors entered into the transactions described below. In 2018, Borland had sued 15 mon shares $1 par common stock at $39 per share. 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