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kow [346]
3 years ago
10

what cell structure is largely responsible for controlling the entry and exit of substances into or out of the cell?​

Biology
1 answer:
ehidna [41]3 years ago
7 0

Answer:

plasma membrane

Explanation:

The plasma membrane is also known as the cell membrane. It is the boundary between the internal components of a cell and its external surroundings. It controls the entry and exit of substances into or out of the cell and thus, facilitates the exchange of substances between the cells and their external environment.

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Explanation:

6 0
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Using an electron microscope, a scientist identified these cell structures in an unknown organism: mitochondrion, nucleus, cell
Helen [10]
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3 years ago
A. puberty
Tomtit [17]

Explanation:

1.Belonging to a(n)

is important to

most adolescents and serves several functions. G. clique

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through a(n)

a time of inner con-

flict in which they worry about their identities. E identity crisis

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4 0
3 years ago
"Antigenic Shift" is a characteristic of the causal agent of the Influenza. It is the result of a major change in the antigenic
gtnhenbr [62]

Answer:

True.

Explanation:

Antigen may be defined as the chemical that has the ability to evoke the  and immune response and can harm the living organisms. The specific antibody are produced against the immune response.

The antigens has evolved different mechanisms to prevent themselves from them the immune system of the host. The antigenic shift is the most common change that might occur in viruses that helps the antigen to protect itself by changing its genetic material. No anti viral drugs are available for the viruses.

Thus, the answer is true.

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3 years ago
Serous membrane is what type? Epithelial or connective?
Colt1911 [192]
A serous membrane contains both epithelial and connective tissue
8 0
3 years ago
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