To prevent disastrous consequences, the eukaryotic cell cycle is controlled by:

a. the mitochondria.
b. helper viruses.
c. environmental signals.
d. a very detailed, rigid genetic program.
e. a series of cell cycle checkpoint


E

Biology & Microbiology

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_____ is a technique to determine the order of nucleotide bases in a fragment of DNA

Fill in the blank(s) with correct word

Biology & Microbiology

Luteinizing hormone

a. stimulates ovulation. b. has no function in males. c. is produced by the corpus luteum. d. stimulates milk production. e. promotes bone and soft tissue growth.

Biology & Microbiology

Degranulation of mast cells leads to

A. lymph node swelling. B. constricted bronchioles. C. constriction of blood vessels. D. decreased mucus production.

Biology & Microbiology

Which of the following is the plant tissue that allows for the lengthwise growth of roots and stems?

a) cortex b) vascular cambium c) meristem d) endodermis e) colenchyma

Biology & Microbiology