Genes with promoters that are constitutively expressed and needed in all cells are called

a. universal factors.
b. silencers.
c. activators.
d. housekeeping genes.
e. enhancers.


Ans: d

Biology & Microbiology

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When cells stop responding to normal controls over

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The repeating units of muscle contraction are called myofibrils

____________________ Indicate whether the statement is true or false.

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