The simplest viruses consist of ________.
A. RNA only
B. RNA or DNA in a protein coat covered with lipid envelope
C. protein only
D. RNA, DNA, and enzymes in a protein coat with a lipid envelope
E. RNA or DNA in a protein coat
Answer: E
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A ________, a ________, and a ________ are the major parts of a nucleotide, whereas a ________ and a ________ are the major parts of a nucleoside.
Fill in the blank(s) with the appropriate word(s).
Overproduction of _____ causes gigantism
a. growth hormone c. insulin b. cortisol d. melatonin
The helix structure on the right of the above
figure represents a. DNA. b. RNA. c. lipid. d. protein. e. phospholipid
It is best to receive an organ transplant from a donor who ________
A) looks like you B) rarely consumes alcohol C) does not have any allergies D) best matches your self proteins