Cellular respiration (3.3)

Question 1

It is the process by which organisms use
energy from “food” (e.g., glucose, fatty acids)
to fuel the endergonic synthesis of ATP.

Answer 1

Cellular respiration

Question 2

What is the formula for cellular respiration?

Answer 2

C 6 H 12 O 6 + 6 O 2 –> 6 CO 2 + 6 H 2 O + ATP

Question 3

cellular respiration takes

place in ____

Answer 3

mitochondria

Question 4

• initial break down of glucose

Answer 4

Glycolysis

Question 5

• completes the break

down of glucose

Answer 5

Citric Acid Cycle

Question 6

• ____electron transport to
generate H+ gradient
• ____ to
produce ATP!

Answer 6

Oxidative Phosphorylation

chemiosmosis

Question 7

A series of chemical reactions to break down glucose

into two 3-carbon pyruvate molecules

Answer 7

Glycolysis

Question 8

Glycolysis occurs in the ___, does NOT require ___

Answer 8

cytoplasm; O2

Question 9

What are the product of glycolysis?

Answer 9

2 ATP
2 NADH
2 pyruvate

Question 10

Instead of moving on to the Citric Acid Cycle, pyruvate

will undergo ___ when there’s not enough O2

Answer 10

fermentation

Question 11

fermentation produces ____ (animals), ___ (yeast)

Answer 11

lactic acid; ethanol

Question 12

The Citric Acid Cycle occurs in

the ___

Answer 12

mitochondrial “Matrix”

Question 13

Products of citric acid cycle

Answer 13

2 ATP
8 NADH
2 FADH2

Question 14

series of chemical reactions that finish the break down
of glucose
• 3-C pyruvate from glycolysis broken down to 3 CO2

Answer 14

Citric Acid Cycle

Question 15

” refers to the addition
of a 3rd phosphate to make ATP (“phosphorylation”)
by a process that depends on oxidation-reduction
reactions (“oxidative”), and occurs in 2 stages

Answer 15

Oxidative Phosphorylation

Question 16

• e- from NADH and FADH2 are passed along the electron
transport chain (ETC) via oxidation-reduction reactions
• convert energy from e- into energy stored in H+ gradient

Answer 16

electron transport

Question 17

• energy from H+ gradient used to make ATP

Answer 17

chemiosmosis

Question 18

is a series of proteins in the inner mitochondrial

membrane through which e- are passed

Answer 18

ETC

Question 19

__- is the final electron acceptor at the end of the ETC

Answer 19

O2

Question 20

____uses energy of H+ flow to make ATP

Answer 20

ATP synthase

Question 21

The flow of a substance (H+) from high to low

concentration”

Answer 21

chemiosmosis

Question 22

H+ flows “down” concentration gradient through ___-

Answer 22

ATP

synthase

Question 23

is simply a Series of

Energy Conversions

Answer 23

respiration