What are the parts of the enzyme molecule that interact with a substrate called?

a. cofactors
b. active sites
c. reaction sites
d. enzyme product sites
e. enzyme-substrate complexes


b

Biology & Microbiology

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Distilled water would be considered ____ to body cells

a. isotonic b. hypertonic c. hypotonic d. protonic e. aquatonic

Biology & Microbiology

You extract all of the proteins of a leaf and measure the percentage that is rubisco. You find that

rubisco comprises what percentage of the leaf proteins?

a. 10% b. 25% c. 50% d. 75% e. 90%

Biology & Microbiology

The cell walls of surface-facing epidermal cells

are filled with which of the following to reduce water loss?

a. wax b. pectin c. lignin d. cork e. periderm

Biology & Microbiology

Examining the plants in Figure 18-1, the structure labeled 2 is homologous with structure:


a. 1.
b. 3.
c. 4.
d. 5.
e. 7.

Biology & Microbiology