Ans: g. All of the above
What adaptation(s) persisted in the human population due to the selective pressure of humans living in larger social groups and civilizations?
a. Blushing, which signals remorse and elicits forgiveness from peers
b. Tears of emotion, which shows vulnerability and increases chances of receiving help
c. Disease resistance
d. A&B
e. B&C
f. A&C
g. All of the above
Biology & Microbiology
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When a stalled replication fork undergoes fork regression the next step:
A. can be repair of the lesion because it has become double-stranded again. B. can be degradation of the displaced strands followed by branch migration and continued replication. C. can be translesion synthesis to bypass the lesion. D. can be synthesis-dependent strand annealing (SDSA). E. All of the choices given are possible outcomes.
Biology & Microbiology
Isotopes of atoms
a. are electrically unbalanced. b. behave the same chemically and physically but differ biologically from other isotopes. c. are the same physically and biologically but differ from other isotopes chemically. d. have the same number of protons but a different number of neutrons. e. are produced when atoms lose electrons
Biology & Microbiology
The microscopic space between nerve cells is called a:
A) Synapse B) Node C) Myelin sheath D) Cleft
Biology & Microbiology
Using the formula determine the original cell density in the sample: OCD = Number of CFU/Amount plated x dilution factor You counted 72 colonies on a plate in your dilution series. The plate was inoculated with 1.0ml from a 10^-4 test tube, what is the OCD?
What will be an ideal response?
Biology & Microbiology