Which of the following is an overgrowth of cells that serves no useful purpose?
A. oncogene
B. tumor
C. growth
D. proto-oncogene
E. callus
Answer: B
You might also like to view...
Lichens are used by scientists as an indicator of pollution because they
a. require nonpolluted water to grow. b. are extremely sensitive to sulfur dioxide. c. react to small amounts of carbon monoxide. d. are very sensitive to ultraviolet radiation. e. respond to increased levels of chlorofluorocarbons.
Immature forms of insects generally specialize in
a. eating and growing fast. b. reproduction. c. caring for the adults. d. dispersal. e. flying.
Identify the five commonly available methods of birth control and indicate which ones provide the most protection against STDs.
What will be an ideal response?
If a pollen parent genotype is SASC, which of the following stigma genotypes should lead to germination at least some of the time? The mechanism of self-incompatibility is listed for each genotype.
A. SASB with gametophytic SI B. SBSD with sporophytic SI C. SASC with gametophytic SI D. SASB with sporophytic SI E. SBSD with gametophytic SI F. SASC with sporophytic SI