Cellular Respiration

Question 1

Cellular Respiration is the primary source of ___ for most organisms.

Answer 1

ATP

Question 2

Cellular Respiration requires nutrients such as ______ and oxygen. These are also the reactants.

Answer 2

glucose

Question 3

Glycolysis occurs in the ____ (and along the plasma membrane of prokaryotes).

Answer 3

cytosol

Question 4

The products of cellular respiration are CO2, H2O and _____.

Answer 4

ATP-Energy

Question 5

The 4 phases of cellular respiration are _____, pyruvate processing, the citric cycle, the ETC-Chemiosmosis.

Answer 5

Glycolysis

Question 6

Glycolysis has 2 phases the energy investment phase and the energy ____ phase.

Answer 6

harvesting

Question 7

In the investment phase, one glucose is converted to 2 _____.

Answer 7

G3P

Question 8

In the harvesting phase the end product is ______.

Answer 8

Pyruvate

Question 9

Per 1 glucose, how many pyruvates are processed?

Answer 9

2 pyruvates

Question 10

Where does pyruvate processing occur?

Answer 10

Mitochondrial Matrix

Question 11

What is used to process the pyruvate?

Answer 11

Coenzyme A (CoA)

Question 12

What are the products of pyruvate processing?

Answer 12

acetyl CoA and CO2

Question 13

Where does the citric acid cycle occur?

Answer 13

Mitochondrial Matrix

Question 14

To start out the Citric Acid Cycle, the Acetyl CoA from pyruvate processing reacts with oxaloacetate to make _____.

Answer 14

citrate

Question 15

What does the Electron Transport Chain establish?

Answer 15

An H+ gradient from energy from the electron carriers.

Question 16

During Chemiosmosis, what is the H+ gradient used to do?

Answer 16

The H+ gradient is used to synthesize ATP.

Question 17

Why is NADH and FADH2 good for? What do they do for the Electron Transport Chain?

Answer 17

They donate e- to the chain.

Question 18

In cellular respiration, what is the terminal e- acceptor?

Answer 18

oxygen

Question 19

The energy created from the transfer of electrons along the chain allows H+ to be pumped into the ____ space of the mitochondria.

Answer 19

intermembrane

Question 20

The H+ gradient is used to turn what?

Answer 20

ATP Synthase

Question 21

The ATP synthase produces ____ via oxidative phosphorylation.

Answer 21

ATP

Question 22

When oxygen is not present, what do some cells use to produce ATP?

Answer 22

Fermentation

Question 23

In the case of fermentation, pyruvate is reduced to either an organic acid or an _____ and CO2

Answer 23

Alcohol

Question 24

True or False: Carbs, fats, and proteins can serve as energy sources for respiration.

Answer 24

True