Which of the following is likely to have the most toxic side effects to humans?
A. Inhibitors of protein synthesis
B. Inhibitors of cell wall synthesis
C. Disrupters of cell membrane structure
D. Inhibitors of DNA synthesis
Answer: C
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Which of the following statements about vertebrate eyes is true?
A. Most predators have monocular vision. B. Most predators have eyes on the sides of their heads. C. Binocular vision helps prey animals scan their surroundings for predators. D. Most prey animals have eyes on the sides of their head and monocular vision. E. Monocular vision allows for better depth perception.
A clamp connection is
A. a ring of hyphae produced by some fungi that is used to snare nematodes. B. a bypass formed during cell division in basidiomycetes that aids distribution on nuclei. C. the connection of a basidiospore to the basidium. D. the sticky substance that holds shelf fungi onto trees. E. the hyphae that hold crustose lichens onto rocks.
Cells that undergo apoptosis are essential to the organism throughout their life
Indicate whether the statement is true or false.
During fertilization, the acrosome _____
A) prevents polyspermy by releasing enzymes that destroy surrounding sperm B) digests the coatings surrounding the plasma membrane of the egg C) nourishes sperm mitochondria, increasing sperm motility D) injects the sperm nucleus into the egg during fertilization