Bio Exam 2 (Chapter 8)

Question 1

What is the random movement of atoms or molecules or the flow of heat?

Answer 1

Thermal energy

Question 2

What is energy that matter possess as a result of its location or structure

Answer 2

Potential energy

Question 3

What is potential energy available for release in a chemical reaction

Answer 3

Chemical energy

Question 4

What is the The study of energy transformations that occur in a collection of matter

Answer 4

Thermodynamics

Question 5

the energy of the universe is constant is what

Answer 5

First law of thermodynamics

Question 6

What is the measure of molecular randomness?

Answer 6

entropy

Question 7

every energy transfer or transformation increases the entropy of the universe is what

Answer 7

Second law of thermodynamics

Question 8

What occur without energy input; they can happen quickly or slowly - and are more energetically favored

Answer 8

Spontaneous processes

Question 9

What chemical reaction releases energy outward

Answer 9

Exergonic reaction

Question 10

What chemical reaction requires a net input of energy and yield products that are rich in potential energy

Answer 10

Endergonic reaction

Question 11

What point at which forward and reverse reactions occur at the same rate, describes a state of maximum stability (delta G = 0)

Answer 11

Equilibrium

Question 12

What is the total of an organism’s chemical reactions?

Answer 12

Metabolism

Question 13

What release energy by breaking down complex molecules into simpler compounds? ex: cellular respiration

Answer 13

Catabolic reactions

Question 14

What consume energy to build complex molecules from simpler ones? ex: photosynthesis

Answer 14

Anabolic reactions