NEW Notebook
Write the following with a sharpie on your cover:
 Name (first and last)
 Period
 Honors Biology
 Semester 2
 2014-15
Notebook…

Title the first 3 pages (FRONT & BACK)
“Table of Contents”

On the fourth page, TITLE it
Chapter 7: Cellular Respiration

On the fifth page, TITLE it
Chapter 7 VOCABULARY
CH 7 CELLULAR
RESPIRATION
Ch 7 Vocabulary
1.
2.
3.
4.
5.
6.
7.
Aerobic respiration
Glycolysis
Pyruvic acid
Cellular Respiration
NADH
FADH2
Fermentation
Lactic acid fermentation
9. Alcoholic fermentation
10. Krebs Cycle
11. Mitochondrial matrix
12. Electron transport chain
13. Cristae
8.

What is the equation for photosynthesis?
 What
do plants need?
 What do plants make?

If this is what plants do to make sugar… what do
we do once we’ve eaten that sugar?
 What
do YOU need?
 What do YOU make?

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https://www.youtube.com/watch?v=FHWbjnzfi_U
Mr. Krebs
Gotta Get That ATP
https://www.youtube.com/watch?v=Ipf54q8pK_s
Cellular Respiration explained with
LEGOS

https://www.youtube.com/watch?v=3pDSPVhi69c
7-1: Glycolysis and fermentation
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Cellular respiration: complex process by which cells
make ATP by breaking down organic compounds
Heterotrophs must do this to obtain energy
Do autotrophs?
Yup!
Overview
Overview
The products of photosynthesis are
the reactants for cellular respiration
 The products of cellular respiration
are the reactants for photosynthesis

Cellular respiration
A process with options
•Glycolysis always happens first
•What happens next depends on Oxygen
•
Or…


Oxygen present:
Aerobic respiration


Oxygen not present:
Anaerobic respiration
Page 132

Copy figure 7-2 in your notebooks. Be sure to
include labels
Glycolysis


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
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Organic compounds (6-C) converted into 3-C
pyruvic acid
Produces a small amount of ATP and NADH
NADH? Familiar?
Another high energy electron shuttle
This is an ANAEROBIC process
Does not require oxygen
Glycolysis
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In cytoplasm
Starts with 6-C Glucose
2 ATP invested
2 NAD+  NADH
6-C glucose broken into two 3-C G3P
Each G3P use to make 2 ATP (4 total)
 G3P
converted into pyruvic acid
Glycolysis BASICS


6-C Glucose broken into 2 3-C Pyruvic acid
In the process we invest:
2

ATP
In the process we create:
4
ATP
 2 NADH
Aerobic respiration



If Oxygen present,
Pyruvic acid broken down to produce more NADH
NADH is used to make ATP
Anaerobic respiration



If oxygen is not present,
Pyruvic acid enters another cycle
Combination of glycolysis and anaerobic
fermentation is called fermentation
Fermentation
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When oxygen is not present (anaerobic conditions)
Pyruvic acid converted to other compounds
In cytoplasm
Fermentation: Glycolysis + regeneration of NAD+
Does not produce ATP
Fermentation reproduces NAD+ so ATP can be
gained through continual glycolysis
If NAD+ not regenerated  no glycolysis  no ATP
Alcoholic fermentation

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Pyruvic acid converted to ethanol
yeast
bacteria
Bread
Wine, beer
Lactic acid fermentation
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Pyruvic acid converted to Lactic acid
Cheeses
Yogurt
Cultivated dairy products
Makes muscles sore after strenuous workout
Aerobic Respiration

Takes place in the mitochondria
Why do you think
it is important
that the inner
membrane is
folded into
cristae?
Increase
SURFACE AREA
2
2
34
Overview
Bozeman
 https://www.youtube.com/watch?v=Gh2P5CmCC0
M
Remember..

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FAD
NAD
FADH2
NADH+
ELECTRON ACCEPTORS
ELECTRON CARRIERS
OXIDIZED = lose eREDUCED = gain e-
The Kreb’s Cycle


See Figure 7-9 and 7-10 on page 138.
Fill in blanks on both diagram and steps.

Mr. Krebs
Takes
place in…
GLYCOLYSIS
cytoplasm
Starts
with…
Glucose
C6H12O6
Or any 6-C sugar
KREB’S CYCLE
matrix
2 pyruvic
acids >>>
Acetyl CoA
Ends
with…
Yields Aerobic or
Anaerobic?
2 3-carbon
Pyruvic
acids
2NADH
2
ATP
Oxaloacetic
acid
3 NADH
1 FADH2
2 CO2
2 ATP
Anaerobic
Aerobic
ETC (electron transport chain)



See handout.
Fill in blanks.
Color arrows same as in book illustration.
Takes
place in…
Starts
with…
Ends
with…
Yields Aerobic or
Anaerobic?
38 ATP produced
from every
one 6-Carbon
sugar
GLYCOLYSIS
cytoplasm
Glucose
C6H12O6
Or any 6-C sugar
KREB’S CYCLE
matrix
ETC
(electron transport chain)
Inner
membrane
2 pyruvic
acids >>>
Acetyl CoA
NADH
FADH2
O2
2 3-carbon
Pyruvic
acids
Oxaloacetic
acid
NADH
FADH2
CO2
2
ATP
Anaerobic
2 ATP
Aerobic
H2O
34 ATP