All fatty acids contain a functional group at one end called the ________ acid group
A) linoleic
B) ribonucleic
C) hydroxyl
D) glycosidic
E) carboxylic
E
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An investigator who conducts an experiment to determine how changes in pH affect the function of enzymes on digestion is most likely to be a/an ________.
A. neurologist B. anatomist C. histologist D. physiologist E. engineer
The auditory ossicles, the malleus, incus, and stapes are located in the ________.
A. external ear B. middle ear C. cochlea D. internal ear
Actin
a. is spherical. b. contains a globular head that forms the cross bridges between the thick and thin filaments. c. is referred to as a regulatory protein. d. is inhibited by Ca2+. e. none of these answers.
Cells of the body mainly use __________ for the selective endocytosis of most macromolecules.
a) receptor-mediated endocytosis b) diffusion c) fluid-phase endocytosis d) pinocytosis