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SIZIF [17.4K]
2 years ago
14

What is a cell membrane?

Biology
2 answers:
makvit [3.9K]2 years ago
6 0

Answer:

The cell membrane is the semipermeable membrane of a cell that surrounds and encloses its contents of cytoplasm and nucleoplasm.

Explanation:

dezoksy [38]2 years ago
4 0

Answer:

Short. The semipermeable membrane surrounding the cytoplasm of a cell.

Long. The cell membrane is the semipermeable membrane of a cell that surrounds and encloses its contents of cytoplasm and nucleoplasm. The cell membrane separates the cell from the surrounding interstitial fluid, the main component of the extracellular fluid.

Explanation:

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24. The average distance from the sun to Pluto is approximately 6.10 x 10 km. How long does it take light from
bonufazy [111]

The time taken by light to reach pluto will be 5.6 hours.

<h3><u>Explanation</u>:</h3>

The light is a electromagnetic wave that has the highest velocity and same velocity as all other electromagnetic radiations existing in this universe. The light takes about 8.2 seconds to reach from sun to earth. So lets check howmuch time does light take to reach pluto from sun.

The speed of light was calculated to be 3\times10^{8 m/s. This is the speed of each and every electromagnetic waves.

The distance of pluto from sun is huge. On an average it's 6.1\times10^{9 km or 6.1\times10^{12 m.

So time taken by light to reach from sun to pluto will be 2 \times 10^4 seconds. Or actually 5.6 hours.

8 0
3 years ago
A new chemical signal is discovered. It is secreted in low concentrations from keratinocytes in the skin, and it binds to recept
anzhelika [568]

Answer:

Explanation:

I would say no because hormones usually travel long distances via blood. This question makes it seem like it is short distance and does not talk about how the secreted entity travels. So my bet is no.

8 0
2 years ago
How are atoms, elements and compounds related ?
strojnjashka [21]

Atoms are the most basic units

Elements are specific types of atoms

Compounds are composed of more than one type of element and are held together by chemical bonds

8 0
3 years ago
The process where all chemical reactions within organisms enable them to maintain life is known as
Gwar [14]
I believe the correct answer would be metabolism. This comprises all of the reactions inside organisms that allows them to sustain life. There are two categories of such namely, anabolism and catabolism. Hope this answers the question.
5 0
3 years ago
Read 2 more answers
what can be assumed about a parent cell if. after asexual reproduction the daughter cell has 24 chromosome? ?
Marina86 [1]
Well, as asexual reproduction suggets that offspring is genetically identical, you can assume that the "mother cell" qlso has 24 chromosones and thus may potentially have a genetic disorder
7 0
3 years ago
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