Cell size and shape are important factors in determining the rate of diffusion. Think about cells with specialized functions, such as epithelial cells that line the small intestine or plant root hairs. What is the function of these cells? Sketch the shape of these cells. How does the shape of these cells relate to their function?

Answers

Answer 1

Answer:

Epithelial cells are the protective cells. They form the outer covering of the body surface which protects the body from any external danger.Cuboidal epithelial cells, as their name suggests, are shaped like cubes. These are typically found in tissues that secrete or absorb substances, such as in the kidneys and glands. Columnar epithelial cells are long and thin, like columns. These are usually found in places that secrete mucus such as the stomach.


Related Questions

18. What structure of the tibia forms the medial portion of the ankle?

Answers

Answer: Medial Malleolus formed by the end of the tibia.

Explanation: Took human anatomy.

Hope this helps!

It can be more than one

Answers

Answer:

Only the matter stored in body tissues

Explanation:

Cuz the seal took some of the matter for itself :)

All are characteristics of DNA, EXCEPT

Group of answer choices

being single-stranded.

having deoxyribose sugar.

being double-stranded.

having four nitrogenous bases.

Answers

The answer is being single stranded


Diffusion is the movement of molecules from an area of high concentration of molecules to an area with a ____ concentration.

A. Equal
B. Higher
C. Lower
D. None of the above

Answers

Answer:

lower

Explanation:

Diffusion is the movement of molecules from an area of high concentration to an area of lower concentration. So, the correct option is C.

What is diffusion?

Diffusion is a type of passive transport, this means that it does not require any kind of external energy for movement of molecules. The difference in concentration in two areas gives rise to a concentration gradient. Where, in one area there is high concentration of molecules and in another, there is low concentration of molecules.

If the molecules move from an area of higher concentration to an area of lower concentration, they are moving along the direction of concentration gradient. This is why no additional energy is required. Diffusion is a type of passive transport where molecules move along a concentration gradient.

This is in contrast to active transport where molecules move against the concentration gradient and therefore require external energy.

Therefore the correct option is C.

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Are echinoderms autotrophic? How do you know? (site 1)

Answers

Answer:

They are heterotrophic!:)

Explanation:

Hey! Echinoderms aren't autrophic due to them veing observed to consume other organisms. Have a good day/night!

Give an example of an adaptive radiation. Provide evidence to support the claim that the radiation originated with one or a few species, that it was rapid and the descendant groups occupy a wide array of ecological niches. Suggest a hypothesis to explain why the radiation occurred.

Answers

Answer:

An example of an adaptive radiation with evidence to support the claim that the radiation originated with one or a few species is discussed below in details.

Explanation:

The method of evolution of various classes in a given geographical area originating from a spot and spreading to other regions or habitat is described as adaptive radiation. For example, modifications in nozzles of finches on Galapagos island.

Adaptive radiation indicates the adaptation of an organism that allows it to favorably spread, or radiate, into other circumstances. Adaptive radiation commences to speciation and is only used to explain living organisms.

need help on this please

Answers

Answer:

H2O description is that it moves through the ground.

Explanation:

Water moves through any small pockets.

ASAP
What is important about a scientific hypothesis?

A) A hypothesis should be falsifiable

B) it should support current scientific theories

C) it should be a question

Answers

Answer:

A

Explanation:

a hypothesis should be falisifiable

If one substance floats in another it must be dense


True
Or
False

Answers

Answer:

true

Explanation:

Density is the only thing affecting whether something floats or sinks. If an object has a higher density than the fluid it is in (fluid can mean liquid or gas), it will sink. If it has a lower density, it will float. Density is determined by an object's mass and volume.

The answer is false


How does knowing the function of the lobes help health workers determine which lobes are
Affected

Answers

Answer:

They can use sound to see which ones do not react properly

Explanation:

When observing a specimen under medium power, which adjustment knob should be used to focus the image? Why?

Answers

Answer:

The coarse adjustment knob should only be used with the lowest power objective lens. Once it is in focus, you will only need to use the fine focus. Using the coarse focus with higher lenses may result in crashing the lens into the slide.

Explanation:

The atmosphere of both Mars and Venus is mostly _____
carbon dioxide
O carbon monoxide
O nitrogen
O oxygen

Answers

carbon monoxide is the correct answer
Carbon monoxide is the right answer

A scientist crossed two fruit flies in a lab. She was studying the transmission of the alleles that affect wing shape. The dominant allele, C, is the allele for curly wings, and the recessive allele, c, is the allele for straight wings. She knew that one of the parent flies was heterozygous and had curly wings (Cc). Half of the offspring from the cross had curly wings, and the other half had straight wings. Identify the genotype and phenotype of the second parent fly. State the evidence that supports your response.

Answers

Answer:

The other fly would have to be a cc

Explanation:

To do this, you can use the square method, one Cc's on the top and one side a cc, when you cross these it gives you Cc, Cc, and cc, cc. Half and half.

Hope this helped!

The other parent was cc.

Genes often occur in pairs. Genes are units of inheritance located in the chromosomes. The pairs in which genes occur are called alleles. In a given pair of alleles, one gene is dominant and the other is recessive.

In this case, the dominant gene is for curly wings and the recessive gene is for straight wings. If one parent is Cc , the other parent must be cc causing half of the offspring from the cross to have curly wings, and the other half to have straight wings.

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Question:
How long does it take the moon to
complete 1 rotation?

Answers

Answer:

27.3 days moon take to complete one rotation.

how does nuclear fusion energy reach earth

Answers

Answer:

Scientists are searching for ways to create controlled nuclear fusion reactions on Earth. Their goal is develop nuclear fusion power plants, where the energy from fusion of hydrogen nuclei can be converted to electricity. In the thermonuclear reactor, radiation from fusion is used to heat water and produce steam.

Most areas near the equator receive ___ solar energy than the poles receive
-more
-less

Answers

The correct answer is more

According to the Cell Theory, what is NOT one of the three main tenants?

1. viruses - which are not alive - not made of cells

2. The cell is the smallest living unit in all organisms

3. All living things are made of cells

4. All cells come from other pre-existing cells

Answers

1. Viruses, they are not related to Cell Theory

Of the following organelles, which
group is involved in manufacturing
substances needed by the cell?
O a) ribosome, rough ER, nucleolus
b) vacuole, rough ER, nucleolus
O c) nucleolus, ribosome, vacuole
d) rough ER, lysosome, vacuole​

Answers

b! rough ER moves it around, nucleous monitors it, and vacuole produces it.

what is nature of science 5 sentences please

Answers

Answer:

When trying to describe the nature of science, it can be useful to think of science as a culture in just the same way that we think of the cultural worlds of art and music. We need to understand and talk art or music when we enter these worlds. In the same way, we need to be able to understand and talk science.

Explanation:

Two reactants, X and Y, are combined and form a new substance with a mass of 375 g. The mass of reactant X is 300 g. What is the mass of reactant Y?

Answers

Answer:

The mass of Y is 75g

Explanation:

Answer:

Explanation:

75g

Make an argument. Which, if any, organ system(s) are the most important in keeping a person alive? Justify your answer.

Answers

Answer:

All organ system(s) are important for proper functioning of the organism but I think Circulatory System is the most important one...!

Explanation:

Because the organism will die without proper blood circulation...!

If star A is red and star B is blue which star is brighter

Answers

Answer:

Star A

Explanation:

Although blue stars are hotter, red stars go through nuclear fusion faster than blue stars, which makes them give off more light :)

a)what are the difference between two species of minnows?​

Answers

Animals are often individually consistent in their behavior, not only over time, but also across different functional contexts. Recent research has focused on phenotypic and evolutionary mechanisms explaining such personality differences through selection. Parasitism and predation induce important mortality and fitness costs, and are thus main candidates to create and maintain personality differences in the wild. Here, we present data on the behavioral consistency of the Eurasian minnow (Phoxinus phoxinus) from two populations that live in different tributaries of the same river, but whose ecological environment differs fundamentally with regard to predation and parasitism. We experimentally demonstrate that individual minnow in both study populations are consistent in their boldness and activity. However, the two study populations differ notably: in the high predation and parasitism risk population fish show higher mean boldness, but tend to be less active than fish in low predation and parasitism risk population. Parasite (Diplostomum phoxini) load was negatively, but not statistically significantly, associated with fish activity level. Our study suggests that parasitism and predation are likely important agents in the ecology and evolution of animal personalities.

The part of cellular respiration in which glucose is broken down is called
A. photosynthesis.
B. aerobic respiration.
C. electron transport.
D. glycolysis.

Answers

the answer is glycolysis

Describe the effect of increasing the number of tablets dissolved in water on the number of new leaves in four weeks. 25 points

Answers

Sorry I have no idea

PLEASE HELP I HAVE TO FILL IN THE BLANKS!!!!!!
For every volcano, there is a ____________ in the nearby ocean, formed due to subduction.

Answers

There is a Island nearby

Andrew wants to determine if playing classical music will affect the growth of his rose bushes. Determine the control group for this experiment.

Answers

Answer:

Not playing any music to a group of bushes.

Explanation:

The third response accurately describes a control group, which is a group of participants or subjects which are purposefully not experimented on in order to ensure that other unplanned for variables didnt cause the changes seen in the non-control group

How does a catalyst work?
A. by increasing the temperature of a chemical reaction
B. by decreasing the pressure of a chemical reaction
C. by increasing the concentration of reactants in a reaction
D. by decreasing the activation energy of a reaction

Answers

Answer:

D. By decreasing the activation energy of a reaction

Explanation:

What is greatly affected by atmospheric pressure?

Answers

High pressure and stressful situations and others like this

Write the overall equation for photosynthesis using words?

Answers

Answer:

carbon dioxide + water =glucose +oxygen

Explanation:

hope this helps :)

The overall equation for photosynthesis using words is:

Carbon dioxide + water + sunlight energy → glucose + oxygen

Photosynthesis in plant chloroplasts and photosynthetic microorganisms is a complex metabolic process. Photosynthesis equation: [tex]CO_2 + H_2O + sunlight = glucose (C_6H_{12}O_6) + O_2.[/tex]

Photosynthesis converts carbon dioxide and water into glucose and oxygen. Special pigments like chlorophyll collect sunlight and transform it into chemical energy.

Photosynthesis underpins the food chain and sustains life on Earth. Primary producers, plants synthesise glucose that sustains all other organisms' growth and development. Photosynthesis provides oxygen for respiration and regulates carbon dioxide levels, preserving Earth's atmosphere.

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What is the answer to thus ...? 2. Do you consider action painting, color field painting, and pictographic painting true art? Find the area of the rectangle. The length is 1.25 and the width is 0.8 inches A muckraker journalist, _______, exposed mistreatment of the mentally ill.A) Ray S. BakerB) Elizabeth CochranC) Ida TarbellD) Lincoln SteffensE) Upton Sinclair Read each research question below. Identify the IV, DV, and CV of each experiment.What amount of sunlight makes pea plants grow tallest?IV:DV:CV:Which type of soda has more sugar: Brand X, Brand Y, or Brand Z? IV: DV: CV:Is the height of a balls bounce affected by the height from which the ball is dropped?IV:DV:CV:Which battery will last the longest: Superlast or Energy Star? IV: DV: CV: 5. Is the water temperature of Lake Michigan affected by the depth of water? IV: DV: CV:The factors that are kept the same in an experiment. ________The is also known as the responding variable. ________This is the one thing that is changed by the experimenter. _______This is also called the manipulated v acommunication is bold and forward communication; pushy; tending toward unprovokedoffensives, attacks, invasions, or the likeConstructiveb Assertive. Aggressived InterpersonalHelp???? Write a complex number where the real component is 7 and the imaginary component is -13i In a research report and in a collaborative discussion, what should you do when you paraphrase someone's ideas?Say who wrote or said the idea that you are repeating.Say the person's words exactly as he or she said them.Say that your ideas have nothing to do with theirs.Say that you're sorry for using their words as yours. do you genuinely hate someone? why? You see me now 4 kkt 1.p: you pass the classq: you go to the next gradep -> ~q:_______________________________~p->~q:_______________________________ the area of a square is 73.96 m^2 .calculate the length of its side.---------------------------------------------------give me the answer step by step I know its answer is 8.6 m but I need its formula Jeff hikes 1/2 mile every 1/4 hour. Lisa hikes 1/3 miles every 1/6 of an hour. How far does each hike in 1 hour? There are 17 different career clusters listed in our unit. Why do you think it is important to have a diverse number of careers to choose from? How would it affect our global economy if there were only one or two career clusters? A healthy diet does not help you stay mentally alert. BWI Airport is building a new parking lot. The parking lot will need to fit 1350 cars. A typical row of parking spaces has 30 spaces. How many rows have to be built to hold 1350 cars? Rather than build rows that fit 30 cars, the airport is requesting rows that fit 50 cars. How many fewer rows are needed if the rows fit 50 card? How might an injury to the cranium affect the respiratory system Find each percent change to the nearest percent.State if it is an increase or a decrease 1. From 74 hours to 85 hours 2.From 24 grams to 96 grams Which advanced technology did Europeans not use to travel west to get across the oceans HELP PLEASE Find the net force necessary for a 15 kg object to accelerate at 20 m/s/s.