Rhizomes that end in enlarged structures that are specialized for storage are called
A) bulbs.
B) tubers.
C) taproots.
D) runners.
Answer: B
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Which of the following is true of transfer RNA?
A) It serves as the site of protein synthesis. B) It is an important component of ribosomes. C) It is responsible for the correct positioning of amino acids in a polypeptide. D) It functions in replication only. E) It is responsible for the correct positioning of amino acids in a nascent polypeptide.
How could you distinguish between the two pathogens Streptococcus aureus, which causes
strep throat, and Plasmodium falciparum, which causes malaria?
a. S. aureus does not have any genetic material. b. S. aureus is larger than P. falciparum. c. P. falciparum has membrane-bound organelles. d. S. aureus does not have a cell membrane
Viruses that kill bacterial host cells during each cycle of infection are called ____
a. virulent bacteriophages b. enveloped viruses c. temperate bacteriophages d. phages e. nonvirulent bacteriophages
Antivenin is a(n)
A) antitoxin used to treat snakebites. B) antigen produced from a virus. C) antiserum produced from hybridomas. D) vaccine made toward the endotoxin of a virus. E) vaccine produced against the endotoxin of a bacterium.