Which of the following is true about the enzyme telomerase?
A. It can re-establish telomere length.
B. It is found only in adult cells.
C. It is responsible for telomere shortening.
D. It may speed up the aging process.
E. It is expressed at low levels in cancer cells.
Answer: A
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Which types of bonds might be involved in these transient protein-DNA interactions?
Some help with this question, please?
What stimulates spermatogenesis?
A. Estradiol B. FSH C. LH D. Testosterone E. Progesterone
In a covalent bond, atoms
A. both become highly electronegative. B. share protons. C. share electrons. D. of opposite charges attract each other. E. lose electrons.
Which of the following is NOT a common antimicrobial drug resistance mechanism in pathogenic bacteria?
a. dimerization of the compound b. efflux pump to avoid cytoplasmic accumulation c. inactivating the compound with modifying enzymes d. structural alteration of the target biomolecule type