Some vertebrates like frogs and humans do not have a conspicuous tail, yet even humans have the remnants of one known as the
A. sacrum.
B. coccyx.
C. fundus.
D. lumbar.
Answer: B
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Which of the following is a component of the spore—or zygote—wall (in mosses, ferns, gymnosperms, and angiosperms) and helps prevent the desiccation of these structures?
A. sporangium B. sporopollenin C. chitin D. peptidoglycan E. sporangia
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.
Which of the following can be found inside of a plant cell but not an animal cell?
a. mitochondria b. ribosome c. chloroplast d. Golgi apparatus
Salmonelloses are
A. not caused by Salmonella typhi. B. associated with undercooked poultry and eggs, and reptile and rodent feces. C. gastroenteritis with vomiting and diarrhea. D. enteric fevers that often include septicemia. E. All of the choices are correct.