Four of the five animals listed below are related
Select the exception.
a. lancelet
b. jawed fish
c. jawless fish
d. tunicate
e. squid
Answer: e
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The moss sporophyte is not ____, so it depends on the gametophyte for nourishment even when mature
a. photosynthetic b. vascular c. rooted d. leafy e. biologically active
. If too little carbon dioxide is moving out of the lungs,
a. bronchioles relax and widen. b. bronchioles constrict and narrow. c. alveoli relax. d. alveoli constrict. e. the diaphragm enters tetany.
Bacteria and archaea share which of the following characteristics?
A. They are both prokaryotic cell types. B. They are both sensitive to antibiotics. C. They both have peptidoglycan cell walls. D. They both have histones.
Consider a culture medium on which only gram-positive organisms such as Staphylococcus aureus colonies can grow due to an elevated NaCl level. A yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the pH as a result and changing the color of a pH indicator chemical. This type of medium would be referred to as a(n)
A) selective medium. B) differential medium. C) enrichment culture. D) selective and differential medium. E) differential and enrichment culture.