Vinblastine, a chemotherapeutic drug used to treat breast and testicular cancers, interferes with the assembly of
microtubules. Speculate how this drug works to inhibit cancer cell growth.
a. Vinblastine inhibits transition from G1 to S.
b. Vinblastine inhibits transition from S to G2.
c. Vinblastine inhibits cytokinesis.
d. Vinblastine disrupts mitotic spindle formation and consequently mitosis.
e. Vinblastine inhibits cyclin production.
ANSWER: d
You might also like to view...
Mendel performed reciprocal crosses in which he used pollen from a white-flowered plant to fertilize a purple-flowered plant and pollen from a purple-flowered plant to fertilize a white-flowered plant. What did these reciprocal crosses demonstrate?
A. The female gamete made a larger genetic contribution to the offspring than the male gamete. B. Each parent made an equal genetic contribution to the offspring. C. Flower color is a sex-linked trait. D. The traits of flower color and sex assort independently. E. The male gamete made a larger genetic contribution to the offspring than the female gamete.
A sediment being analyzed is determined to be composed of mostly granite. What kind of sediment is it?
a. Cosmogenous sediment b. Terrigenous sediment c. Hydrogenous sediment d. Biogenous sediment
The time from when pathogen first enters the body and begins to multiply, until symptoms first appear is the ________.
A. period of invasion B. convalescent stage C. prodromal stage D. incubation period
A neurotransmitter associated with pleasurable feelings is dopamine
Indicate whether the statement is true or false