Taste buds that are more sensitive to sweet flavors than to others are located ________
A) on the tip of the tongue
B) on the back of the tongue
C) on the side of the tongue
D) all over the tongue, as sensitivity to sweet is distributed throughout the tongue
A
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In a branched pathway with many end products, an abundance of one of the end products will usually inhibit
A. the first committed step in the branch of the pathway leading to the production of that particular product. B. the last step before the branch leading to the production of that particular end product. C. the last step in the production of that particular product. D. the first step in the set of pathways.
A new virus has recently been identified that has been linked to certain birth defects. A pregnant woman is infected with this virus in the fifth month of her pregnancy. However, at birth, the infant shows no signs of the characteristic birth defects. What is the most likely explanation?
A) The virus actually doesn't cause birth defects. B) The woman was likely infected after the virus' critical period. C) The woman was actually infected by a different virus. D) The woman was likely infected during the virus' critical period.
Ten percent Calcofluor White stain is often used in wet mounts of ________.
A. bacteria B. molds C. parasites D. protozoa
Which plant hormone is responsible for apical dominance?
A) auxin B) ethylene C) cytokinin D) gibberellin