Which chemical is used to stop mitosis in metaphase?
a. AZT
b. histamine
c. UV light
d. eosin
e. colchicine
ANSWER: e
You might also like to view...
A transcriptional regulator that decreases transcription of a gene from a vast distance is known as a(n
A) enhancer. B) upstream control element. C) regulator. D) nonsense mutation. E) silencer.
Sunlight resets biological clocks in plants by activating and inactivating _____
a. phototropins c. photoperiodisms b. phytochromes d. far-red light
Occasionally the testes do not descend into the
scrotum as they should in a newborn. If this is not corrected surgically, a. sperm production will be affected. b. achieving an erection will not be possible. c. the child will have female characteristics. d. growth will be stunted. e. the child will not live.
The ________ is the outermost layer of skin, consisting of dying, waterproof cells.
Fill in the blank(s) with the appropriate word(s).