A virologist wants to observe the surface features of virus particles she is studying. Which of the following microscopes would NOT be useful for her observations?
A) differential interference contrast
B) scanning tunneling
C) scanning electron
D) transmission electron
E) atomic force
A
Biology & Microbiology
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A mineral that is especially important for preventing anemia is _____
A) zinc B) iron C) iodine D) molybdenum E) folic acid
Biology & Microbiology
Match the membrane lipid group on the left with the correct type of membrane lipid on the right.
A) cholesterol B) cerebrosides C) triglycerides D) 24-carbon fatty acids E) phosphoglycerides 1) phospholipids 2) glycolipids 3) sterols
Biology & Microbiology
What are the stinging organelles of Cnidarians called? a. Collar cells b. Nerve nets c. Nematocyst d. None of these choices
e. Mesoglea
Biology & Microbiology
The genetic information in a chromosome is enclosed in the nucleotides sequence of the molecule
a. true b. false
Biology & Microbiology