The green sulfur bacteria ________.
A. deposit granules of sulfur outside the cell
B. deposit granules of sulfur within the cell
C. do not deposit granules of sulfur
D. deposit granules of sulfur within and outside the cell
Answer: A
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Common megaplankton of the open ocean include all but
a. cnidarians. b. mollusks. c. gelatinous zooplankton. d. diatoms. e. salps.
Chemical synapses are distinctive for all of the following EXCEPT
a. they require the use of ligand-gated ion channels. b. they require the use of voltage-gated ion channels. c. they may utilize direct neurotransmitters. d. they require the use of vesicles. e. they require proteins.
Can you distinguish between the chromatograms of an Aa individual and an AA individual?
a. Yes b. No
A biologist discovered a new animal. Upon studying its embryonic development, she observed radial cleavage with the blastopore developing into an anus. This animal was categorized as a
A. parazoan. B. deuterostome. C. pseudocoelomate. D. radiata. E. protostome.