seminar #5

Question 1

what is a reducing agent?

Answer 1

A compound that loses/donates e-

Question 2

Because a substance loses e-, it is coincided _______

Answer 2

oxidized.

Question 3

Why is O2 at complex 4 important?

Answer 3

ETC will stop, which lead to termination of oxidative phosphorylation.

Question 4

What connects ETC and TCA?

Answer 4

• Complex I generates NAD+ that is used in the TCA to generate NADH2.

Question 5

What is the main unwanted by-product of the TCA cycle.

Answer 5

CO2

Question 6

What is the function of Ubiquinone in the mitochondrial inner membrane?

Answer 6

to take the electrons from complex I and II and transport them to complex III

Question 7

How do Anonxia-tolerant vertebrates tolerate no O2?

Answer 7

Through lactate buffering.

Question 8

What is anoxia?

Answer 8

no oxygen

Question 9

What is lactic acid?

Answer 9

A toxic compound that builds up in low/no oxygen environments.

Question 10

How do Carp tolerate low O2 environments?

Answer 10

They prevent the accumulation of lactic acid through converting it into ethanol.

Question 11

What does the TCA take in and what does it produce?

Answer 11

It takes in pyruvate

producing

• 3NADH
• 1FAH2
• 1GTP
• 1CO2