The pain of heartburn is an example of a ____
a. somatic sensation c. sensory adaptation
b. visceral sensation d. spinal reflex
B
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In tomatoes, red (R) is dominant to yellow (r), tall (D) is dominant to dwarf (d), and smooth (H) is
dominant to peach or hairy (h). (a) How many different genotypes are there in relationship to these three characteristics? (b) How many different phenotypes are there in relationship to these three characteristics? (c) How many different homozygous pure-breeding forms can be produced? What will be an ideal response?
You want to collect information about the different hair colors (blonde, brown, black, red, or other) of incoming freshman at UK. What kind of variable is this?
A. Discrete B. Ordinal C. Continuous D. None of the above
How are the X and Y chromosomes different?
a. only females have a Y b. only one is an autosome c. the X is smaller than the Y d. the Y carries fewer genes than the X
Some insecticides interfere with the removal of acetylcholine from the synaptic cleft. What effect will this have on muscle contraction?
A) The muscle cell will be unable to be stimulated again. B) The muscle cell will be in a state of constant stimulation, leading to a tetany response. C) The muscle cell will lose all of its supply of calcium. D) The muscle cell will have a single twitch and will be unable to contract again.