Animals that weigh more than 100 pounds are considered as
A. extinct.
B. sensitive species.
C. megafauna.
D. safe from extinction.
E. endangered species.
Answer: C
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Which of the following "vegetables" is botanically a fruit?
A) potato B) lettuce C) radish D) celery E) green beans
Margarine is made by hydrogenating vegetable oils so that they take on the consistency of butter. Propose a chemical basis for this change from a liquid to a solid
A. Hydrogenation of fats changes them from saturated to unsaturated, which are more solid. B. Trans-fatty acids are changed from unsaturated to saturated, allowing them to solidify. C. Trans fatty acids are changed from saturated to unsaturated, allowing them to solidify. D. Hydrogenation of fats changes them from unsaturated to saturated, which are more solid.
The DNA databases in most countries rely on ___ or more STR loci, each of which is found on a different chromosome.
What will be an ideal response?
Which bacterial structure may survive if temperatures applied during food preservation processes are too low?
A. Endospores B. Plasma membranes C. Ribosomes D. Flagella