After eating a Yummie cake, what molecule do you expect to be most abundant in your digestive system?
A) amino acids
B) monosaccharides
C) cellulose
D) triglycerides
Answer: B
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For which of the following populations would a quadrat system be used to estimate population size and density?
a. bald eagles b. timber wolves c. sea sponges d. salmon
In low-lying areas with poor drainage, ________ results in a black or bluish-gray soil with a high organic content
Fill in the blank(s) with correct word
In the Hershey and Chase experiment, if the radioactive sulfur had been found inside the bacteria rather than the radioactive phosphorus, what conclusion would they have made?
a) Proteins are the molecules that encode heredity. b) DNA is the molecule that encodes heredity. c) RNA is the molecule that encodes heredity. d) Both RNA and DNA are molecules that could encode heredity e) This result does not show any evidence for what molecule encodes heredity.
The type(s) of bond produced when atoms with somewhat different electronegativities share electrons is/are
A) a nonpolar covalent bond. B) a polar covalent bond. C) an ionic bond. D) a hydrogen bond. E) both nonpolar covalent and ionic bonds.