Bioenergetics

Question 1

What is bioenergetics?

Answer 1

How cells produce and use energy

Question 2

Roles of bioenergetics

Answer 2

General manager - thermodynamics
Process engineer - biochemistry - maya olive pathways and networks
Control engineer - enzyme kinetics - regulation and signalling

Question 3

First law of thermodynamics

Answer 3

Energy can neither be created or destroyed, it is simply conserved

Question 4

Second law of thermodynamics

Answer 4

Every energy transfer increases the entropy of the universe - an organism loses some of its energy to the environment

Question 5

What is the free energy of the system?

Answer 5

Is the portion of the system’s energy that can perform work

Question 6

In an exergonic reaction, is energy released or required?

Answer 6

Released

Question 7

In an endergonic reaction, is energy released or required?

Answer 7

Energy is required

Question 8

What does ATP stand for?

Answer 8

Adenosine Triphosphate

Question 9

Where is the chemical energy in ATP stored?

Answer 9

The last phosphate group

Question 10

What are the two steps of ATP formation?

Answer 10

1) substrate level phosphorylation

2) oxidative phosphorylation

Question 11

What does NADH stand for?

Answer 11

Nicotinamide adenine dinucleotide