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Marat540 [252]
3 years ago
10

______ act as a barrier to invading cells and viruses. muscle cells connective tissue epithelial cells none of the above

Biology
1 answer:
xz_007 [3.2K]3 years ago
3 0

Answer:

Epithelial cells

Explanation:

Epithelial cells act as a barrier to invading cells and viruses.

It lines the tissues of blood vessels in order to keep blood flowing and keeping you healthy.

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Cas9 recognize the sequence that is going to be cut thanks to guide RNA- pre-designed RNA sequence complementary to sequence of interest. DNA repair machinery will try to fix the “damage” but it can add (insert) or delete some nucleotides.

5 0
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After fertilization, the cells of the zygote divide many times producing a solid ball of cells called a _____.
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Answer:

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Explanation:

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