Which group of protists are unicellular, biflagellate stramenopiles that forms a significant portion of the
nanoplankton?
a. ciliates
b. red algae
c. golden algae
d. foraminifera
e. brown algae
c
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Which of the following types of inhibitors is(are) likely to bind to the active site of an enzyme? Select all correct choices
A. an irreversible inhibitor B. a competitive inhibitor C. a non-competitive inhibitor
This animal has radial symmetry, a
gastrovascular cavity, and the same opening is for the entry of food and expulsion of waste. It is ___.
a. a cnidarian b. a flatworm c. an annelid d. a mollusk e. more than one of these
Consider a biochemical pathway with five steps that lead to the production of product Q. If there is an abundance of product Q, the most efficient way to slow down the entire pathway would be to regulate ________.
A. every enzyme in the pathway B. the last enzyme in the pathway C. the first enzyme in the pathway
What Mendel called “factors,” we now call ____
a. nucleotides b. DNA c. chromosomes d. genes e. bases