Which hormone is critical to reducing the rise in blood glucose, fats, and amino acids that occurs after eating a meal?

A. glucagon
B. insulin
C. cortisol
D. epinephrine
E. growth hormone


B. insulin

Biology & Microbiology

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During glycolysis, ATP is produced by oxidative phosphorylation

a. True b. False

Biology & Microbiology

Thanks to a novel recessive mutation, a certain plant species has begun to invade colder Arctic regions outside of its normal range. However, this cold-tolerant mutation has not yet become fixed in the population. A second mutation arises that promotes self-pollination. Do you predict that the self-pollination allele will be selected for in the Arctic regions? Why or why not?

A. No. Plants that produce flowers must be cross-pollinated for proper seed development. B. Yes. The self-pollinated plant is more likely to maintain the cold-tolerant mutation, and plants in the Arctic are unlikely to be visited by pollinators. C. No. Outcrossing is always beneficial, since it enhances genetic diversity. D. Cannot make a prediction from the information given. It depends on whether the plant is normally insect pollinated or wind pollinated.

Biology & Microbiology

Which theory suggests that many factors or genes contribute to the phenotype in a cumulative or quantitative manner?

A) heritability theory B) multiple factor hypothesis C) additive gene theory D) threshold gene theory

Biology & Microbiology

A normal heart is fully repolarized at -60mV. Using the diagram, describe what has occurred in this heart.

Biology & Microbiology