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Ch 6 Activity 6 2 6 3 Study Guide

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Ch 6 Activity 6 2 6 3 Study Guide
Chapter 6 Activity 6-2 6-3
Please View Videos or discussions in Mastering Biology relating to Ch6 Sec 2 and 3 http://www.pearsonmylabandmastering.com/northamerica/masteringbiology/ Use of Test Books and notes will be very helpful.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) When solid sodium hydroxide is added to water, the solution gets hot. This is an example of a(n) 1) _______
A) endergonic process.
B) exergonic process.
C) enzyme-catalyzed process.
D) release of activation energy.
E) conversion of kinetic energy to potential energy.

2) Why is photosynthesis considered an endergonic reaction? 2) _______
A) Activation energy is not required.
B) Photosynthesis does not comply with the physical laws of the universe.
C) Sugar has less energy than the sun.
D) Protein catalysts are not needed.
E) Low-energy reactants are converted to high-energy products.

3) Activation energy is necessary for all ________ reactions. 3) _______
A) exergonic B) endergonic C) coupled D) chemical

4) An ________ chemical reaction releases energy, whereas an ________ reaction requires an input of energy. 4) _______

A) exergonic; endergonic
B) endergonic; exergonic
C) enzymatic; endergonic
D) endergonic; enzymatic
E) equilibrium; exergonic

5) A "high-energy" bond in an ATP molecule is located between 5) _______
A) adenine and ribose. B) two phosphate groups.
C) ribose and the first phosphate group. D) adenine and the first phosphate group.

6) When a muscle cell demands energy to perform its work of contraction, ATP 6) _______
A) manufactures more ATP.
B) enters a metabolic pathway.
C) is broken down.
D) is phosphorylated.
E) catalyzes the reaction.

7) The most common energy carrier molecule in living organisms is 7) _______
A) ATP. B) ADP. C) DNA. D) glucose. E) NADPH.

8) Which of the following is the best

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