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alexdok [17]
3 years ago
10

Both prokaryote and eukaryote cells have this structure. It helps maintain homeostasis and is a boundary between the inside of t

he cell and the outside environment. It is the
Biology
2 answers:
Lapatulllka [165]3 years ago
5 0
Cell membrane would be the correct answer!
maw [93]3 years ago
4 0

Answer:

It is the membrane.

Explanation:

The cell membrane surrounds the cytoplasm of a cell and physically separates the internal parts of the cell from the external environment. The membrane is also the gatekeeper, controlling what comes into and goes out of the cell.

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Please read the article Why Cats Have Nine Lives by Jared Diamond. Our analysis did not attempt to
kupik [55]

The author assumes that the question can be answered by applying principles of anatomy, physics and evolutionary biology. First reason he suggests is that cats are small and they have a favourable mass-surface area ratio. Next, he suggests that cats have soft tissues that absorb the shock and they land on all four limbs, dividing the shock. This is because of their body shape and its centre of gravity. He says that felines have this kind of body structure (that canines lack) because years of falling from trees etc. has evolved their body in this way.

5 0
3 years ago
How are the terms nucleotide, nitrogenous base, and nucleic acid related to each other?
hoa [83]

A nucleic acid is made of nucleotides, and nitrogenous bases are a part of a nucleotide.


DNA is a nucleic acid.  The nucleotides in DNA are made up of a sugar (deoxyribose), a phosphate group, and one nitrogenous base (which will be either adenine, guanine, cytosine, or thymine).


Hope this helps!!

6 0
3 years ago
During metaphase of meiosis i, homologous chromosomes and the alleles they possess are distributed to different gametes. what is
Vesnalui [34]
During metaphase 1, the spindle fibers attach to the centromeres of each chromosome. Both kinetochores of each sister chromatid pair are turned toward the same pole. And 2 members of each chromosome pair (sister chromatids) are pulled into each new cell during anaphase 1.

I think the answer you want is they are called chromatids.
3 0
3 years ago
What’s the answer???
Fittoniya [83]

Answer:

Excess nutrients from fertilizer runoff

Explanation:

The nutrients can create bacteria for the algae

4 0
3 years ago
Read 2 more answers
Although scientific theories vary, it is believed that _____________________ caused the permian mass extinction.
crimeas [40]
D -<span>the start of glaciation and climatic changes</span>
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3 years ago
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