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  • Metabolism: Energy and Enzymes

Biology

Sylvia S. Mader, Michael Windelspecht

Chapter 6

Metabolism: Energy and Enzymes - all with Video Answers

Educators

+ 3 more educators

Chapter Questions

Problem 1

The fact that energy transformations increase the amount of entropy is the basis of which of the following?
a. cell theory
b. first law of thermodynamics
c. second law of thermodynamics
d. oxidation-reduction reactions

Check back soon!
03:43

Problem 2

The energy stored in the carbon-carbon bonds of glucose is an example of _____ energy.
a. kinetic
b. potential
c. chemical
d. mechanical
e. Both b and c are correct

Nalvi Duro
Nalvi Duro
Numerade Educator
02:25

Problem 3

During energy transformations, the majority of energy is converted to
a. chemical bonds.
b. heat.
c. ATP.
d. glucose molecules

Kyle Ukes
Kyle Ukes
Numerade Educator
03:42

Problem 4

Exergonic reactions
a. are spontaneous.
b. have a negative delta G value.
c. release energy.
d. All of these are correct.

Nalvi Duro
Nalvi Duro
Numerade Educator
02:23

Problem 5

Which of the following is incorrect regarding ATP?
a. It is the energy currency of the cell.
b. It is stable.
c. It is recycled using ADP and inorganic phosphate.
d. Cells keep only small amounts of ATP on hand.

ER
Ellen Richards
Numerade Educator
03:33

Problem 6

The sum of all the chemical reactions in a cell is called
a. free energy.
b. entropy.
c. metabolism.
d. oxidation-reduction reactions.

Nalvi Duro
Nalvi Duro
Numerade Educator
04:43

Problem 7

Which of the following is incorrect regarding the active site of an enzyme?
a. is unique to that enzyme
b. is the part of the enzyme where its substrate can fit
c. can be used over and over again
d. is not affected by environmental factors, such as pH and temperature

Josh Trinidad
Josh Trinidad
Numerade Educator
07:11

Problem 8

Which of the following environmental conditions may have an influence on enzyme activity?
a. substrate concentration
b. temperature
c. pH
d. All of these are correct.

Nalvi Duro
Nalvi Duro
Numerade Educator
01:18

Problem 9

In which of the following does an inhibitor bind to an allosteric site on an enzyme?
a. competitive inhibition
b. noncompetitive inhibition
c. redox reactions
d. None of the above are correct.

Jannatul Ferdaus
Jannatul Ferdaus
Numerade Educator
05:28

Problem 10

Enzymes catalyze chemical reactions by which of the following?
a. lowering the energy of activation in the reaction
b. raising the energy of activation in the reaction
c. increasing entropy
d. increasing the free energy of the products

Nalvi Duro
Nalvi Duro
Numerade Educator
07:07

Problem 11

The gain of electrons by a molecule is called
a. inhibition.
b. entropy.
c. oxidation.
d. reduction.

Noah Boudrie
Noah Boudrie
Numerade Educator
04:46

Problem 12

In which of the following processes is carbon dioxide reduced to form carbohydrate?
a. cellular respiration
b. noncompetitive inhibition
c. photosynthesis
d. induced fit model

Nalvi Duro
Nalvi Duro
Numerade Educator

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