The formation of amino acids under abiotic
conditions was important because they serve as
a. a supply of structural units for proteins.
b. enzymes to catalyze reactions.
c. subunits in the formation of DNA.
d. subunits in the formation of RNA.
e. subunits for the formation of lipids
A
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Primary oocytes and spermatogonia are both haploid cells
a. True b. False Indicate whether the statement is true or false
What would you predict would happen in an area of the body where blood was relatively acidic (low
pH)?
a. O2 would bind more readily to hemoglobin. b. CO2 would bind more readily to hemoglobin. c. O2 would release from hemoglobin. d. CO2 would release from hemoglobin. e. binding of O2 by hemoglobin would cease.
As it gets colder, the metabolic rate of an endotherm typically goes ____ and the metabolic rate of an
ectotherm typically goes ____.
a. down; down b. up; down c. down; up d. up; up e. it depends on the particular endotherm or ectotherm, so all of these are possible
The loss of an electron by a molecule is called
__________. Fill in the blank(s) with the appropriate word(s).