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True [87]
3 years ago
9

What are the three functions of a cell membrane? I will give Brainliest to the best answer!

Biology
1 answer:
____ [38]3 years ago
3 0
(1) they keep toxic substances out of the cell;
(2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the cell and the outside environment;
(3) they separate vital but incompatible metabolic processes conducted within organelles.
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Which of the following might explain the lack of cloud formation? Choose one or more:
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Answer:

The following might explain the lack of cloud formation

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  • There are too few aerosols present in the air package.

<u>Explanation</u>:

For the formation of the cloud the air in the higher position should have much colder than that of the surface. The vapours travels till it reaches the point where it has lower temperature as well as the pressure so that the water will condense into the droplets which will result in the formation of the cloud. When those vapours condenses to the liquid or to the solid it will release some of it energy to the air. For the formation of the cloud three things are mandatory and they are moisture, cooling air and the condensation nuclei. Also, for the formation of clouds, suspended particles like aerosols are required for the water to condense. As there are few aerosols, water doesn't get to condense.

6 0
3 years ago
In which of the following situations is evolution by natural selection most likely to occur?
Varvara68 [4.7K]

Answer:

b.

Explanation:

Natural Selection refers to the survivability of organisms based on different traits or genes that they have which then get passed on to their offspring. Based on this information we can say that a population of mountain gorillas in which individuals with genes for long hair survive the cold better is the situation in which natural selection is most likely to occur. This is because longer hair in this scenario is a gene that drastically affects the chance of survival for the gorillas and will most likely be passed on to their offspring.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

3 0
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I need to know the bonds of that molecule.
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I would need more info

Explanation:

4 0
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Easy questions, easy points​
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For the first question the answer is C the second one the answer is A
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