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3 years ago

What is cytokinesis and how does it occur in plant cells and animal cells?

Biology

1 answer:

lara [203]3 years ago

5 0

Hi there,

Cytokinesis is the process in which the cytoplasm of a single eukaryotic cell is divided to form two daughter cells.

This is how it occurs:

Animal cells: divide by a cleavage furrow

Plant Cells: divide by a cell plate that eventually becomes the cell wall.

Hope this helped :)

Have a great day

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Which of the following involves only biotic factors?

Arada [10]

Answer:

C- a duck catching and eating a snail

Explanation:

Biotic factors involve living things. The only choice with two living beings interacts would be C.

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3 years ago

How do small particles cross a cell membrane?

lora16 [44]

Active transport requires that the cell move engegy that it has obtained the food to move the molecule threw the cell membrane.The passive transport doesn't required as much energy for the molecule to move....

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3 years ago

If the ancestral form for a particular lineage was aquatic and used gills for respiration, what changes would you expect to see

Marat540 [252]

<h2>The Respiration of Gills</h2>

Explanation:

A dominant part of aquatic animals like fish and prawns inhale through uncommon organs called gills.
The skin that help in utilizing oxygen broke up in water. which help in return of gases and Gills contain veins.
Amphibian life forms have a unique organ called gills, which permits them to inhale oxygen in the water.
The two sides of the pharynx (throat) by the Gills when the gases exchange in fish .
<em>Gills are tissues that resemble short strings, protein structures called fibers. </em>
These fibers have numerous capacities including the exchange of particles and water, just as the trading of <em>oxygen, carbon dioxide, acids and alkali.</em>

4 0

3 years ago

Muscle fibers are directly surrounded by which thin layer of connective tissue?

wlad13 [49]

Answer:

The correct answer will be- epimysium

Explanation:

Epimysium is the fibrous connective tissue envelope which surrounds the muscle fibers of the muscle as a whole.

The epimysium plays an important role in maintaining the muscle structure as it protects the muscle from the friction caused by the associated bones and the muscles. The epimysium is continuous with other layers called the endomysium, perimysium, tendons and the fascia.

Thus, epimysium is the correct answers.

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3 years ago

Passive transport is the net movement of substances down a concentration gradient that requires metabolic energy. Active transpo

Dafna1 [17]

Answer:

The statement is false.

Explanation:

Passive transport moves molecules from one side of the membrane to the other with the energy of the chemical gradient (or concentration gradient). Otherwise, active transport uses the hydrolyzation of ATP to gain energy in order to move molecules across the membrane without taking into account the gradient.

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3 years ago