Constructing a pedigree is useful when studying inheritance patterns in organisms that _____
a. produce many offspring per generation
b. produce few offspring per generation
c. have a very large chromosome number
d. reproduce sexually
e. have a fast life cycle
B
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The earliest signs of life appeared on Earth during the ____ era
a. Archean b. Paleozoic c. Mesozoic d. Cambrian e. Cenozoic
What happens to the carbon dioxide that is produced during the 2nd stage of aerobic respiration? a. It diffuses out of the cell
b. It is stored in the cell. c. It is converted into sugars. d. It is actively transported out of the cell. e. It moves to stage 3 and enters the Krebs Cycle.
The two types of bonding found in a DNA molecule are _____
a. ionic and covalent b. covalent and peptide c. ionic and hydrogen d. peptide and hydrogen e. covalent and hydrogen
Which of the following is true about purging behavior related to bulimia?
Select one: a. There are no medical risks to purging. b. After many months of purging, it gets harder and harder to do. c. After vomiting, many kilocalories from the food eaten are still absorbed. d. Few kilocalories are absorbed when laxatives are used as a purging technique.