The brain almost exclusively uses blood glucose as its main energy source. This glucose comes from:

What will be an ideal response?


liver

Biology & Microbiology

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The chromosomal abnormality Calvin Bridges observed as a characteristic of "primary exceptionals" is a result of:

A. mutation. B. nondisjunction. C. chiasmata. D. recombination. E. linkage.

Biology & Microbiology

In their experiments to identify the transforming principle, Avery, MacLeod, and McCarty used enzymes that break

down ____.

a. protein, DNA, and RNA b. protein and RNA only c. DNA only d. protein, lipids, and RNA

e. lipids and DNA only

Biology & Microbiology

Four of the five answers listed below are habitats favoring fossil preservation. Select the exception

a. deserts b. swamp c. tar pits d. seafloor e. caves

Biology & Microbiology

Flexible bacteria with a helical shape are called ________.

A. vibrios B. coccobacilli C. spirilla D. spirochetes

Biology & Microbiology