The term used to describe all of the chemical reactions within a cell is ________.
A. metabolism
B. phosphorylation
C. redox reactions
D. catabolism
E. cellular respiration
Answer: A
Biology & Microbiology
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All of the following statements about telomeres and telomerase are true EXCEPT that ________
A) telomeres shorten as cells age (senescence) B) telomerase minimizes telomere shortening C) telomerase activity is high in adult cells D) telomerase activity is high in embryonic stem cells E) None of these choices
Biology & Microbiology
Mutations in proto-oncogenes create
What will be an ideal response?
Biology & Microbiology
Humans have ________ different types of autosomes.
A. 22 B. 44 C. 11 D. 23 E. 46
Biology & Microbiology
In a DNA double helix, _____________________
(a) the two DNA strands are identical. (b) purines pair with purines. (c) thymine pairs with cytosine. (d) the two DNA strands run antiparallel.
Biology & Microbiology