Which compound has the highest concentration in a cell?
A. Glucose
B. NH3
C. CH4
D. CO2
E. H2O
Answer: E
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DNA polymerases are unable to bind to what areas of the chromosome?
A. Centromeres B. 3' end of telomeres C. Origins of replication
The following are basic building blocks of biopolymers. Match
the building blocks with the statements 103–110. a. amino acid b. glucose c. glycerol d. fatty acid e. nucleotide E 103. the basic unit of proteins E 104. the basic unit of DNA E 105. the basic unit of RNA E 106. the basic unit of cellulose E 107. the basic unit of glycogen E 108. the basic unit of starch M 109. the monomers of a polypeptide chain M 110. Which two units combine in various ways to form lipids? a. a and b b. a and c c. b and c d. b and d e. c and d
Pheromones are used primarily for
a. signaling target cells in the vicinity of the secreting cells. b. stimulating transmitter release at certain synapses. c. integrating social behavior in a population. d. causing a response in a part of the body some distance from the site of secretion. e. all of these, depending on the species.
The ____________________ are vessels with the largest resistance to blood flow. Fill in the blank(s) with the appropriate word(s)