Chromosomes move to opposite poles in ________.
A. telophase
B. metaphase
C. prophase
D. anaphase
Answer: D
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The conversion of stimuli into neuron potentials
a. requires an adequate level of stimulus. b. is called transduction. c. stems from generation of receptor potentials. d. all of these answers. e. none of these answers.
After ovulation occurs, the level of estrogen in the blood drops slightly and secretion of ____ stimulates the development of the corpus luteum
a. FSH b. GH c. LH d. PTH
What is the function of a catalyst in a chemical reaction?
A. It lowers the activation energy of the reaction. B. It is split into individual molecules that are products of the reaction. C. It changes the energy content of the reactants. D. It generates heat that makes the reaction proceed. E. It ensures that the reaction can proceed only in one direction, from reactants to products.
Label component "E" on the reflex arc
A. sensory receptor B. effector organ C. sensory neuron D. motor neuron E. interneuron