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Anton [14]
3 years ago
13

Which of the following conclusions can be made based on the observed fact that stem cells can differentiate into any kind of cel

l in the human body
A. all cells can mutate into different forms when exposed to external conditions
B. Dna contains all the instructions necessary to build every kind of cell
C. Stem cells can only differentiate into specialized cells when exposed to internal conditions.
D. none of these
Biology
1 answer:
Hatshy [7]3 years ago
7 0

Answer:

a

Explanation:

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Tight junctions - prevent liquid from seeping between cells

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Explanation:

1) Tight junctions are one of the cell junctions found in animal cells. Tight junctions function to prevent the flow of liquid materials between cells.

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