Snapping division is a hallmark trait of ________ which can be visualized under a microscope by ________
A) Actinobacteria / two adjacent cells linked, appearing as an M dividing into four
B) Actinobacteria / one cell appearing as a V dividing into two
C) Coryneform bacteria / two adjacent cells linked, appearing as an M dividing into four
D) Coryneform bacteria / one cell appearing as a V dividing into two
Answer: D
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Where is NADPH formed in the accompanying diagram?
a. F b. 4 c. 3
d. 2 e. B
The diploid number of a roundworm species is 4. Assuming there is no crossover, and random segregation of homologues during meiosis, how many different possible combinations of chromosomes might there be in the offspring (not including variety
generated by crossing over)? A) 4 B) 8 C) 16 D) 64
Which of the following technologies uses electricity to sort DNA fragments based on their sizes?
A.) genetic screening B.) gel electrophoresis C.) DNA microarrays D.) genetic engineering
A type of selection that favors altruism directed toward relatives is called
A. kin selection. B. sexual selection. C. mate selection. D. group selection.