The sporangia of the bread mold Rhizopus are _____
A) asexual structures that produce haploid spores
B) asexual structures that produce diploid spores
C) sexual structures that produce haploid spores
D) sexual structures that produce diploid spores
Answer: A
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Which of the following occurs in meiosis but not in mitosis?
A) chromosome replication B) synapsis of chromosomes C) production of daughter cells D) alignment of chromosomes at the equator E) condensation of chromosomes
Which of the following statements is false?
a. Enzymes are highly specific and act on chemicals called substrates. b. Enzymes act as catalysts and speed up chemical reactions within cells. c. Most enzymes work best under very low pH conditions. d. Most enzymes are proteins. e. Enzymes can become deactivated by high fevers.
The evolution of eukaryotes from prokaryotes probably
A) occurred many times. B) allowed for the formation of both complexity and multicellularity. C) involved endosymbiosis on multiple occasions. D) B and C only E) A, B, and C
Explain how the F0 complex of ATP synthase harnesses the proton-motive force to help synthesize ATP. What would happen if the proton gradient were reversed?
What will be an ideal response?