Traits that have both inherited and environmental causes are termed


A) heritable.

B) polygenic.

C) multifactorial.

D) familial.


C) multifactorial.

Biology & Microbiology

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When fats are used as an energy source, the fatty acids are broken down to acetyl-CoA. That means that fats bypass the reactions of ___ and enter the respiratory pathway at ________

A. glycolysis; the citric acid cycle B. fermentation; glycolysis C. the citric acid cycle; oxidative phosphorylation D. the citric acid cycle; glycolysis E. oxidative phosphorylation; fermentation

Biology & Microbiology

The phylogenetic species concept looks at ____

a. environmental adaptations and morphology b. genetic data and environmental adaptations

c. morphology and environmental adaptations d. morphology and genetic data e. species response to adverse conditions and genetic data

Biology & Microbiology

Which of the following represents the contents of a cell in G2 phase (before cell division begins)?

A) Cell G B) Cell H C) Cell K D) Cell M E) Cell P

Biology & Microbiology

In an experiment observing yeast respiration, Douglas notes that during the first day, carbon dioxide was produced. After three days, alcohol was produced. Which statement below would explain these results?

A) The yeast cells were going through aerobic respiration for the first two days of the experiment then the cells switched to anaerobic respiration when the available oxygen was gone from the vessel. B) The alcohol is formed from decaying yeast cells. Three days is the normal life span of a yeast cell. C) It took three days for the yeast cells to finish a fermentation cycle to produce the alcohol. D) Alcohol is formed from carbon dioxide when present with yeast, and the concentration of carbon dioxide had to be high enough for that reaction to occur.

Biology & Microbiology