Which of the following is not true of RecA binding and function?
A. Single-stranded binding proteins (SSB) bound to single-strand DNA prevent RecA binding.
B. RecB recruits RecA to the 3' end of the single-strand overhang.
C. RecFOR can recruit RecA to single-strand gaps.
D. RecA can displace SSB with the help of RecBCD but not RecFOR complexes.
E. RecA is an ATPase as well as a recombinase.
D
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Liverworts are capable of asexual reproduction by forming small, broken pieces of the plant that are splashed out when hit by the rain. What is the name of the structure that holds these small pieces?
a. thallus b. gametophyte c. gemma cup d. sporophyte
The term sapiens in Homo sapiens represents the ____
a. class b. order c. family d. genus e. species
These results indicate which of the following?
A) Brown is dominant to black. B) Black is dominant to brown and to yellow. C) Yellow is dominant to black. D) There is incomplete dominance. E) Epistasis is involved.
Population density is determined by the number of:
a. individual organisms in a given area. b. individuals of a species in an ecosystem. c. species in a given area. d. individuals of a species in a given area.