?

What is the item labeled "B" in the accompanying figure?

A. The enzyme
B. The substrate
C. The active site
D. The transition state
E. The product


Answer: B

Biology & Microbiology

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The movement of air along parabronchi is most similar to the movement of _____

A) air in the lungs of other amniotes B) food/waste in a gastrovascular cavity C) a mouse passing through the digestive system of a snake D) the frog tongue during feeding E) air in lungs of terrestrial amphibians

Biology & Microbiology

Integumentary exchange of gases implies that the animal ____

a. has a shell b. has a tracheal system c. lives in a moist location d. has a siphon e. lives in an arid location

Biology & Microbiology

Which of the following are reasons why Koch's postulates are not universally applicable?

a. Many human disease lack suitable animal model b. Not all pathogens have genes that confer pathogenicity c. Viruses have a very narrow host range d. Many human infections are polymicrobial

Biology & Microbiology

The shape of the bill on the bird in the accompanying figure is most likely the result of:



a. coevolution.
b. pollination.
c. asexual reproduction.
d. pseudocopulation.
e. inbreeding.

Biology & Microbiology