Staphylococcus aureus appears to be very adept at acquiring virulence and antibiotic resistance genes from other bacteria.
Answer the following statement true (T) or false (F)
True
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. "Complement" refers to a set of specific
a. vaccines. b. defense proteins. c. antibodies. d. antibiotics. e. lymphocytes.
During mitotic anaphase, chromosomes migrate
a. from the poles of the cell toward the equatorial plate. b. from the equatorial plate toward the poles. c. toward the nuclear envelope. d. along with their sister chromatids toward one pole. e. along with the other member of the homologous pair toward the equatorial plate.
Scientists isolate cells in various phases of the cell cycle. They find a group of cells that have times more DNA than G1 phase cells. The cells of this group are _____
A) between the G1 and S phases in the cell cycle B) in the G2 phase of the cell cycle C) in the M phase of the cell cycle D) in the S phase of the cell cycle
A tomato plant is mutated with gamma radiation. A cellular analysis reveals that ATP synthase complexes found in the thylakoid membrane are inserted backwards into the membrane. What is the most likely outcome of this error?
A. The ATP synthase will pump protons into the stroma in this orientation. B. The proton gradient in the thylakoid space will not be able to be used to generate ATP. C. The thylakoid membrane will become permeable to protons as a result of this change. D. A proton gradient will not be established in the thylakoid space in response to the activation of photosystem II. E. This change is not likely to have any effect on the function of the ATP synthase enzyme with respect to its role in photosynthesis.