From where does the O2 released during the light reactions of photosynthesis come?
A) C6H12O6 B) H2O C) CO2 D) RuBP E) ATP
B
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Which of the following are most closely
related to the choanoflagellates? a. animals b. fungi c. amoebozoans d. algae e. none of these
PCR is a relatively new advance in DNA technology that targets specific sequences in the DNA for removal or replacement.
Answer the following statement true (T) or false (F)
You are working with a strain of E. coli that has a mutation in the DNA polymerase II gene, such that the encoded protein is exonuclease deficient, but is otherwise normal. How do you predict that this would most likely affect the activity of this enzyme?
A. This mutation would prevent the ability of DNA polymerase II to remove RNA nucleotides in the 5' to 3' direction. B. This mutation would prevent the ability of DNA polymerase II to engage in lagging strand synthesis. C. This mutation would prevent the ability of DNA polymerase II to form phosphodiester bonds between nucleotides. D. This mutation would prevent the ability of DNA polymerase II to remove DNA nucleotides that are damaged.
Crossing over takes place during:
A) middle prophase I of meiosis only. B) early prophase I of meiosis only. C) both prophase I and prophase II of meiosis. D) anaphaseI of meiosis. E) interphase.