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(a) Describe four nucleotides with different biochemical functions
(b) Describe the process by which an ion gradient is converted into chemical energy in the mitochondrion. You may use a labelled diagram if you wish.
(c) Compare and contrast the roles of the nuclear membrane, the rough endoplasmic reticulum membrane, the mitochondrial membrane and the peroxisome membrane.
(d) Describe the use of primers and nucleotides in PCR compared to sequencing.

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Elin Hessel
Elin HesselLv2
28 Sep 2019

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16.
During the Krebs cycle
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D) Acetly CoA gains a carbon to form pyruvate.
17.
Why does the oxidation of organic compounds by molecular oxygen toproduce CO2 and water release free energy?
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18.
In a chemical reaction, if ?G is negative, it means that thereaction is
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B) exergonic, and work can be done with energy released from thereaction.
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D) endergonic, and work can be done with energy released from thereaction.
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The energy for an endergonic reaction comes from a(n) ___________reaction.
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B) endergonic.
C) exergonic.
D) anabolic
20.
Glycolysis
A) involves catabolic reactions and ATP is produced.
B) involves anabolic reactions and ATP is produced.
C) involves catabolic reactions and creates energy.
D) involves anabolic reactions and creates energy.

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