During sporulation in Bacillus subtilis, the response regulator that positively controls many genes needed for sporulation and negatively controls genes not needed during sporulation is
A. SpoOB.
B. SpoOF.
C. SpoOC.
D. SpoOA.
Answer: D
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Which is an advantage of binary fission over eukaryotic cell division?
a. It has more robust checkpoints. b. It leads to fewer genetic mutations. c. It is less complicated and faster. d. It allows for more genetically-diverse offspring.
DNA polymerase requires a primer sequence to provide a ________ functional group to which the new DNA nucleotide can be added
Fill in the blank(s) with correct word
Methanogens are always engaged in relationships with other microbes because methane production requires ________.
A. interspecies hydrogen transfer B. energy provided by another microbe C. removal of oxygen from the environment by another microbe D. None of the choices are correct.
Human skin color is the result of
A) simple dominance. B) sex-linked recessive inheritance. C) codominance. D) one pair of genes showing incomplete dominance. E) polygenic inheritance.