Which one of the following is NOT a morphological type of virus?
a) Helical
b) Polymorphic
c) Polyhedral
d) Enveloped
Ans: b) Polymorphic
Biology & Microbiology
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Avery used the enzyme _______ to remove the proteins from the cell extracts
A. protease B. DNase C. RNase D. All of the answers are correct
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When does a C4 plant use rubisco?
a. daytime only b. nighttime only
c. summer only d. winter only e. anytime the Calvin cycle is occurring
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Which upwelling coastline is partially responsible for half of the world's supply of commercial fisheries?
a. California b. Japan c. Australia d. Peru
Biology & Microbiology
To prevent swollen thyroid glands, many nations add iodine to
A. milk. B. soda pop. C. salt. D. processed meats. E. orange juice.
Biology & Microbiology