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Ostrovityanka [42]
2 years ago
13

How does the plasma membrane contribute to the structure and function of the cell?

Biology
1 answer:
Ivenika [448]2 years ago
3 0

Answer:

it keeps the organelles in the cell and gives hydration

Explanation:

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Help!!!! Can anyone answer this lab questions below about mitosis!!!!
Shtirlitz [24]

Answer:

Mitosis is a division of a eukaryotic cell in which the chromosomes are evenly distributed among the daughter cells.  

In multicellular organisms, both sexual and asexual reproduction is followed by cell division, which ensures the growth and development of the organism. In addition, cell division is necessary to replace dead cells and repair injuries. New cells are constantly being added and old ones are being destroyed. About a hundred thousand more cells are created every second, and of course the same number dies. The new cells start with the division of the source cell. The cells formed in this way are called daughter cells. Stem cells can gradually divide into all the different cells in the body through mitosis.

Most of the body's cells are constantly renewed by mitosis, but there are also so-called irreplaceable cells that are formed only once in a lifetime for the life of the organism and do not regenerate by mitosis.

4 0
3 years ago
What is the function of RBC
avanturin [10]

Answer:

When a red blood cell is placed in a hypertonic solution, it contracts as water is drawn out of the cell and into the surrounding solution. If the same blood cell is placed in a hypotonic solution, the blood cell grows in size. Blood cells in isotonic solutions do not shrink or swell.

The reason that blood cells change in size when placed in a solution with different salt concentration is due to the osmosis process. Osmosis causes solutions with high concentrations of salt to draw water from areas with low concentrations of salt.

There are some exceptions to this phenomenon. Blood cells can draw water and explode when placed in hypertonic solution on some special occasions. Some diseases affect the structural integrity of blood cells. Also, when human blood cells are exposed to temperatures close to freezing, they can draw water and explode.

Osmosis is an important phenomenon for living systems. The amount of salt in a given solution exhibits a tendency to diffuse through the environment, eventually resulting in equilibrium. In addition to blood cells, the kidneys function through the use of osmotic principles. The kidneys filter an animal's blood to remove excess salt and balance the amount of water

7 0
3 years ago
Read 2 more answers
When a cell needs to release energy what happens to the atp molecule ?
Harlamova29_29 [7]

Answer:

When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP).

Explanation:

5 0
3 years ago
8. What does the first word in the two-word scientific name of a species represent?
ZanzabumX [31]
Genus

for example
scientific name for tiger : Panthera Tigris

Panthera is the Genus name
Tigris is the Species name

hope this helps
6 0
2 years ago
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Surface tension is an example of ?​
lorasvet [3.4K]

Answer:

Surface tension depends mainly upon the forces of attraction between the particles within the given liquid and also upon the gas, solid, or liquid in contact with it. The molecules in a drop of water, for example, attract each other weakly.

Example:

a glass of water is sitting on a table put a paper clip in it. it stays floating on the top.

Water striders can walk on water because of the surface tension of water.

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