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Alik [6]
4 years ago
8

Organisms must be able to adapt to a changing external and internal environment. An organism's ability to maintain a stable inte

rnal environment is known as homeostasis. How does a cell's membrane help an organism maintain homeostasis?
Biology
1 answer:
vesna_86 [32]4 years ago
4 0

The cell membrane is a lipid bilayer that prevents that passage of water and ions. This allows cells to maintain a higher concentration of sodium ions out the outside of the cell.

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Sometimes the microvilli on the epithelial cells lining the proximal tubule are destroyed. What effect would this have?
Aleonysh [2.5K]

Answer:

Reduced reabsorption of salts and nutrients from the proximal tubule.

Explanation:

The proximal convoluted tubules are the site for reabsorption of the largest amount of solute and water from the filtered fluid. It reabsorbs 65% of water, electrolytes such as Na+ and K+, almost 100% of the filtered glucose and amino acids and other electrolytes such as Ca2+, Mg2+, etc.

The simple cuboidal epithelial cells of the proximal convoluted tubule have a prominent brush border of microvilli on their apical surface. These microvilli serve to increase the surface area for reabsorption and secretion. Destruction of these microvilli would reduce the reabsorption of the above-mentioned salts and nutrients from proximal convoluted tubules.

7 0
3 years ago
Which of the following is an important part of scientific methods? Select all correct answers.
timofeeve [1]

Answer:

Making a hypotheses and performing experiments

I Hope this helps you uwu

Explanation:

7 0
3 years ago
Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of a white offspring in a cross between two hete
olasank [31]

Answer:

The probability of a white offspring is of 25%

Explanation:

To find the probability we can draw a 4-square Punnett square using the parents' alleles for the gene. If you want a more detailed explanation I would be glad to help :)

7 0
3 years ago
Which of the following statements is FALSE?
Viefleur [7K]

Answer:

My answer is C.

Explanation:

Because only plant cells have cell wall.

3 0
3 years ago
What level of organization includes all the other levels of organization
solong [7]

A Organism, but I would say Multi Cellular Organism instead of just organism because a Unicellular organism only has one cell, and all higher levels are made of multiple cells

6 0
3 years ago
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