Golden Oldies
Energy and Enzymes
Cellular Respiration
100

A signaling molecule.

What is a ligand?

100

Energy cannot be created nor destroyed

What is the first law of thermodynamics?

100

The hydrolysis of ATP is this type of reaction.

Hint: -gonic

What is an exergonic reaction?

200
Point mutation that results in an early STOP codon.

What is a nonsense mutation?

200

This energy is always decreasing in the universe

What is free energy?

200

Process of making ATP from ADP.

What is phosphorylation?

300

This protein builds the new DNA strand complementary to the old one.

What is the DNA polymerase?

300

Lowering activation energy does this to the reaction.

What is the increase in the rate of reaction?

300

Output of cellular respiration.

What is carbon dioxide, water, and ATP?

400

When this complex is active, it phosphorylates target proteins and activates them, and these proteins are involved in gene regulation, which is important for moving through the cell cycle.

What is the cyclin-CDK complex?

400

This binding site causes the enzyme to change shape when a substrate binds to it.

What is an allosteric binding site?

400

Net ATP payoff for glycolysis.

What are 2 ATP molecules?

500

(1) This carries out RNA splicing to remove (2) this and join (3).

1. What is a spliceosome?

2. What are introns?

3. What are exons?


500

The sodium-potassium pump transports ions against their concentration gradient using ATP. Sodium is transported out of the cell, while potassium is transported into the cell. This is a thermodynamically unfavorable process that requires energy to force the ions across the membrane. (1) Gibbs free energy change is (+/-). (2) The type of reaction based on the Gibbs free energy change.

(1) What is positive?

(2) What is an endergonic reaction?

500

The final electron acceptor in cellular respiration.

What is oxygen?