Which of the following is NOT a form of locomotion used by protozoa?
pseudopodia
cilia
flagella
budding
budding
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Which molecule is directly responsible for breaking down cAMP to inactive AMP?
A. protein kinase A B. adenylyl cyclase C. phosphodiesterase D. GTPase E. protein phosphatase
Alternate forms of a gene are called ____
a. homologues b. loci c. alleles d. homozygous e. heterozygous
The electrochemical gradient that determines how a charged ion will move through a permeable membrane depends upon
A. the electrical forces acting on that ion. B. the ratio between the charge on the ion and its atomic mass. C. the combined effects of electrical forces and concentration differences across the membrane. D. the difference in concentration of that ion on either side of the membrane. E. All of the answers are correct.
Carbohydrates and fats are considered high-energy foods because they _____
A) have a lot of oxygen atoms. B) have no nitrogen in their makeup. C) have a lot of electrons associated with hydrogen. D) are easily reduced.