Allergic reactions are triggered by the release of ________ from certain cells.
A. serotonin
B. epinephrine
C. acetylcholine
D. histamine
Answer: D
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If you were to discover a new species of animal that did not have body segments, but shed its exoskeleton and was a protostome, under the molecular phylogenetic scheme, you would allocate it to which of the following phyla?
A. Mollusca B. Echinodermata C. Nematoda D. Platyhelminthes E. Arthropoda
Differentiate between circadian rhythms and photoperiodism. Give examples of each. What regulates
these responses? What will be an ideal response?
Intestinal cells absorb glucose via active transport. What would happen if all the mitochondria within these intestinal cells were destroyed?
a. Glucose absorption would increase b. Glucose absorption would decrease c. Glucose absorption would stop d. Glucose absorption would stop
Adam experiments with Anole lizards that can change color, depending on their environment. Adam places a green anole lizard on a brown background and a brown anole lizard on a green background. Adam knows that the brown lizard should turn green and the green lizard should turn brown, but neither of the lizards changed color. What may have caused Adam's results?
a. Their color changing may be affected by something else besides the background color, such as fear or temperature. b. They may have to move to the new background on their own rather than being placed there. c. They may need more time in which to change color. d. The colors of the background may not have been appropriate for these lizards.