The structure labeled "E" in this figure of a replication fork represents ____
a. single-stranded binding protein
b. primase
c. DNA ligase
d. helicase
e. DNA polymerase
B
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Trawl fishing
a. is used for catching pelagic fish. b. is responsible for overfishing tuna. c. is responsible for damaging bottom habitat. d. has significantly increased the abundance of fisheries. e. is environmentally sustainable.
Traits with more than 2 distinct forms are
a. polymorphic. b. dimorphic. c. codominant. d. heterozygous. e. homozygous
What hormone increases the number and activity of osteoclasts, which decreases bone density and increases blood calcium?
What will be an ideal response?
Assume you were studying two characteristics of peas, and when you crossed heterozygous F1 individuals you did not see the 9:3:3:1 ratio predicted for a dihybrid cross. You later found that these two characteristics were on the same chromosome. With this information, how would you explain the results?
A. The results can be explained as polygenic inheritance. B. There must have been a mutation. C. The genes must be on the sex chromosomes. D. The genes are linked and are inherited together.