Which of the following statements is true of enzymes a. they're unusable after a reaction b. they don't provide an active site for substrates to bind in a reaction c. they change shape after a reaction d. they act on a specific type of substrate in a reaction

Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

Is 343 in the sequence -5, -2, 1, 4, 7