________ are heritable units of information encoded by the DNA molecule that determine the traits of an organism.
a) Phenotypes
b) Enzymes
c) Genes
d) Centromeres
Answer: c) Genes
Biology & Microbiology
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In aerobic cellular respiration, the actual ATP yield from a molecule of glucose is ATP molecules.
A. 4 B. 30 C. 42 D .2 E. 15
Biology & Microbiology
Which of the following components was NOT
a significant part of the earth's early atmosphere?
a. carbon dioxide b. water vapor c. nitrogen gas d. oxygen gas e. hydrogen gas
Biology & Microbiology
Select all of the following that are components of a muscle fiber.
a. sarcoplasm b. T tubule c. myelin sheath d. axon terminal e. sarcolemma
Biology & Microbiology
What process produces genetic diversity through random distribution of chromosomes?
A) cytokinesis B) recombination C) crossing over D) alignment of the metaphase plate to one side instead of in the middle E) independent assortment
Biology & Microbiology