ch. 6 quiz questions

Question 1

The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis?

Answer 1

endergonic

Question 2

The Law of Thermodynamics that states that increases in entropy are favored is:

Answer 2

the second law

Question 3

If you were able to increase the kinetic energy of the molecules inside your body, how would this affect your body temperature?

Answer 3

it would increase

Question 4

When an atom or molecule gains one or more electrons, it is said to be:

Answer 4

reduced

Question 5

Hexokinase is an enzyme that binds specifically to glucose and converts it into glucose 6-phosphate. The activity of hexokinase is suppressed by glucose 6-phosphate, which binds to hexokinase at a location that is distinct from the active site. This is an example of

Answer 5

feedback inhibition

Question 6

enzymes are

Answer 6

proteins that speed up the chemical reactions in the cell

Question 7

Which of the following binds most tightly to the active site of an enzyme?

Answer 7

substrate

Question 8

A calorie is the commonly used unit of chemical energy. It is also the unit of

Answer 8

heat

Question 9

Why do we have storage macromolecules, such as fats, in our bodies?

Answer 9

We can break down these macromolecules to provide energy for the endergonic reactions in our bodies.