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Luden [163]
3 years ago
9

What does it mean for a cell membrane to be selectively permeable?

Biology
2 answers:
Vera_Pavlovna [14]3 years ago
7 0
B.
It allows some substances to pass through but blocks the passage of others.
tatyana61 [14]3 years ago
3 0

Answer:

B. It allows some substances to pass through but blocks the passage of others

C would be the explanation for B which is why I chose B, even though both are true. I hope this helps and am very sorry if the answer is incorrect.

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How many different amino acids are there that make up all of the proteins in our body
NNADVOKAT [17]

Answer: billions of types of proteins

5 0
3 years ago
A group of organisms that belong to the same species and live in the same place
faltersainse [42]
This can be identified as a population. In a population, the organisms are the same species and they have to live in the same area. For example, the population of cities are the head count of the species of human in that one area.
8 0
4 years ago
Identify whether the following statements are true or false.
Advocard [28]

The True statements are.

Organisms in a population must compete for the resources as the resources are limited and the organism that compete and survives wins.

The best equipped organism survive which is known as the survival of the fittest.

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The false statement is Organism of the same species are equipped with the same survival skills.

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5 0
3 years ago
Read 2 more answers
What 2 ions are most common in both blood plasma & interstitial fluid?
Naddik [55]

Answer:

We know that when substance donate the electron then it from positive charge but when substance take electron then it form negative charge .

The most common ions in blood plasma

1.Cation  -Sodium(Na+)

2.Anion   -Chloride(Cl-)

The most common ions interstitial fluid

1.Cation  -Potassium

2.Anion   - Chloride

7 0
3 years ago
Which of the following body systems breaks down proteins into amino acids
ra1l [238]
When protein enters the stomach, it begins to break down thanks to t<span>iny glands  of the stomach which produces juices to help digest food</span>, but only when it enters the small intestine does the protein molecules break down into amino acids.

So the Small Intestine is the answer.

Have a great day! :)
4 0
3 years ago
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