Biology, 18.09.2019 03:00 anacecilianr2325

21. which statement is true about a nucleus?
a. it is the site of enzyme storage.
b. it is the site of energy conversion.
c. it is surrounded by antibodies.
d. it is surrounded by a double membrane.

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21. which statement is true about a nucleus?
a. it is the site of enzyme storage.
b. it...