What type of molecule does radiation principally interact with within the human body?
a) Water
b) DNA
c) Macromolecules
d) RNA
Ans: a) Water
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The term that best describes how the components of a genome interact to produce an organism's traits is:
A. Proteomics B. Functional genomics C. Structural genomics D. Genomics
What event triggers the release of neurotransmitters?
a. Calcium induces the fusion of synaptic vesicles with the presynaptic membrane. b. Sodium induces the fusion of synaptic vesicles with the presynaptic membrane. c. Potassium induces the fusion of synaptic vesicles with the presynaptic membrane. d. Calcium activates enzymes that degrade synaptic vesicles. e. Sodium activates enzymes that degrade synaptic vesicles.
DNA polymerase adds new nucleotides ONLY to the ________ end of a DNA strand.
A. 2? B. 3? C. 4? D. 5?
Fungi have the following properties except:
A. Parasitic B. Autotrophic C. Saprophytic D. Heterotrophic.