Three fatty acids bonded together with a glycerol are found in a(n):
A. triglyceride.
B. phospholipid.
C. alcohol.
D. enzyme.
E. chlorophyll pigment.
Answer: A
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The chief scientist on the HMS Challenger expedition was:
a. Charles Darwin. b. Victor Hensen. c. Alexander Aggasiz. d. Charles Wyville Thomas. e. Edward Forbes.
It’s your turn to clean out the refrigerator in the lab break room again, which is definitely your favorite way to spend a Friday afternoon. While you are contemplating moldy peaches, and your own disappointment at the lack of a limerick, you glance at the pantry door, from which has appeared a stream of ants carrying bits of cereal and crackers. You follow the ants out the door, down the hall, to a supply closet, where you find they’ve established a colony in a case of printer paper. If these were just any ants, you’d put in a ticket for an exterminator and go home, but alas!; they’re endangered Cube Farm Ants, which means the pantry and supply closet are now wildlife preserves. The thought of all the paperwork you’re going to have to fill out almost ruins your entire
weekend, until you realize you are standing in the middle of a fantastic pun – what is it? a. biodiversity hotspot b. closet species c. wildlife corridor d. ecological niche
Which of the following are considered fossils?
A. Mineralized bones B. Animals frozen in ice or preserved in amber C. Footprints or other impressions preserved in stone D. All of the above are considered fossils
Which method is used in DNA sequencing to “visualize” nucleotides?
a. fluorescence b. electron microscopy c. radioactivity d. viral resistance e. drug resistance