An organism does not have a nucleus, carries on photosynthesis, and is very common. It is probably a
A. cyanobacterium.
B. member of the Archaea.
C. a member of the Protista.
D. a member of the Plantae.
A. cyanobacterium.
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Proteins that are involved in the regulation of the cell cycle, and that show fluctuation in concentration during the cell cycle, are called ________.
Fill in the blank(s) with the appropriate word(s).
Which kind of chemical reaction involves the attachment or removal of a phosphate group?
A. oxidation-reduction B. acid phosphorylation C. phosphorylation D. hydrolysis
The most common first-position amino acid in bacterial proteins is
a. isoleucine. b. leucine. c. methionine. d. N-formylmethionine.
AIDS is the new name for what used to be called consumption.
Answer the following statement true (T) or false (F)