A pathologist detects Negri bodies while examining a brain section taken at autopsy. What was the cause of death?

The first amino acid in most proteins is

a. alanine. b. isoleucine. c. leucine. d. methinonine. e. phenylalanine.

Having various types of chlorophylls and accessory pigments for the photosynthetic process

A) allows for a variation in color among plants. B) allows many wavelengths of light to be captured to provide energy for photosynthesis. C) allows light to be harvested specifically in a stepwise manner. D) shifts the equilibrium of photosynthesis toward the formation of products. E) increases the efficiency of the Calvin cycle.

The largest amount of energy is obtained from 

A. the Krebs cycle. B. glycolysis. C. fermentation. D. the electron transport system.

Early land plants required adaptations that

A) helped support the plant. B) aided reproduction. C) decreased water loss. D) all of the above. E) none of the above.