LSM 2.3-4
Student Worksheet Solutions
Anaerobic Respiration, Solution
Fill in the blanks on the figures and in the summarles.
o-
Lactic Acid Fermentation
c_o
After glycolysis occurs, the
I
molecules
I
H-C-OH
glucose
ADP
G
L
can be converted back into
pyruvate
in the
pyruvate
can then enter
Y
cycle
c
L
Y
molecules
Lactate
CH,
2
receive hydrogen
PYruvate
NADH , creating lactate
fror
I
two
liver
.
16r
The
Krebs
and cellular respiration can
proceed.
S
l
orW
S
\,/
I
C-O
|
C-O
2 pyruvate
I
CH,
Lactic acid fermentation in muscle cells
H
Ethanol Fermentation
After glycolysis occurs, the two
molecules lose
a
carbon
acetaldehyde
hydrogen
atom
H-C-OH
glucose
molecule,
carbon
tn"
combines *116 oxY9en to create
carbon dioxide Acetaldehyde receives
creating
I
pyruvate
.
from
resulting in the production
of
2
I
CH,
ADP
2 ethanol
2NAD*
*$
w4
a
NADH
ethanol
H
c-o
I
o-
-/
Cot
I
c-o 2pyruvate,/,r
c-o
I
I
CH,
F
2acetaldehYde
I
CH,
Alcohol fermentation in yeast
62
Chapter
2
Cellular ResPiration
Copyright
@
2003 Nelson