Which of the following is a result of a positive feedback?
a. childbirth
b. heart rate increase during exercise
c. body water regulation
d. sweating when you get hot
Ans: a. childbirth
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An instantaneous automatic response to a stimulus is a(n)
A. fixed action pattern. B. taxis. C. imprinting. D. learned behavior. E. reflex.
The only animals that lack tissues are
A) sponges. B) cnidarians. C) nematodes. D) chytrids. E) chordates.
Water molecules are attracted to each other due to the opposite charges created by partial charge separations within the molecules. These attractions are called
A. double bonds. B. hydrogen bonds. C. ionic bonds. D. peptide bonds. E. covalent bonds.
Explain how the F0 complex of ATP synthase harnesses the proton-motive force to help synthesize ATP. What would happen if the proton gradient were reversed?
What will be an ideal response?