A forest community consists of not only the trees and shrubs, but also the animals and microorganisms.
Answer the following statement true (T) or false (F)
True
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What happens to pyruvate during the process of fermentation?
A. It is oxidized to ethanol. B. It is reduced to ethanol. C. It is converted to acetyl Co-A. D. It is oxidized to lactic acid. E. It gets converted to pyruvic acid.
The figure above depicts the result of an experiment to determine how DNA replication occurs. Based
on these results, it appears that after replication each DNA molecule is made of
a. either entirely old DNA strands or entirely new DNA strands. b. one old DNA strand and one new DNA strand. c. entirely new DNA. d. some DNA helix regions that are old DNA, alternating with some DNA regions that are new DNA. e. two strands that are each a mix of old and new DNA.
In biology lab, your class counts the number of people with different colors of hair and eyes. Your instructor says that these traits are variable and difficult to trace in each family. The reason is that these two traits depend on more than one gene, and are called
A. recessive. B. incomplete dominant traits. C. codominant. D. pleiotropic. E. polygenic.
Skeletal muscle produces force as the ________ "walk" along the ________
A) myosin heads; actin B) actin heads; myosin C) creatine phosphate molecules; sarcomere D) ATP molecules; myofibrils