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Leni [432]
3 years ago
10

What is the function of the immune system?

Biology
2 answers:
Reptile [31]3 years ago
3 0

Answer:

The major function of the immune system is to protect the host from environmental agents such as microbes or chemicals, thereby preserving the integrity of the body.

Explanation:

Leona [35]3 years ago
3 0
The major function of the immune system is to protect the host from environmental agents such as microbes or chemicals, thereby preserving the integrity of the body. The immune system keeps a record of every germ (microbe) it has ever defeated so it can recognize and destroy the microbe quickly if it enters the body again.
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The large flat muscle that moves up and down and alters the volume of the chest cavity is the
Shkiper50 [21]
Diaphragm...is the muscle that helps in respiration.....there are also some other but....you said flat so diaphragm !
4 0
3 years ago
CD8 helps with recognition of which of the following molecules on the surface of a cell?
Shalnov [3]

Answer:

MHCI

Explanation:

Major histocompatibility complex I (MHCI) is present on the nucleated cells of the body. Endogenous pathway represents the pathway of MHC class I molecules.

MHCI display peptide fragment of proteins to the cytotoxic T cells with the help of CD8 ( Cluster of differentiation). CD8 binds with the MHCI and expressed on the surface of cytotoxic T cells.

Thus, the correct answer is option (D).

7 0
3 years ago
Similar functions of capsids and nuclear membranes.
Lubov Fominskaja [6]

Answer: both are made up of lipid bilayers. Main functions of both membranes are protection and transportation. Both are extremely important for the cell survival.

Hope this helps!

have a nice day!

7 0
1 year ago
Why are all bacteria classified as prokaryotes?
ahrayia [7]

Answer:

Prokaryotes are simple cells that lack a nucleus or membrane-bound organelles. A nucleus is a type of organelle that holds DNA. In prokaryotes, however, their DNA floats in the cytoplasm in a nuclear region rather than being contained in a nucleus.

Explanation:

6 0
2 years ago
Read 2 more answers
Name the plant cell organelle where photosynthesis occurs
Alexxandr [17]

Answer:

It is called the Chloroplast.

Explanation:

"In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle."

8 0
2 years ago
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