Name the 6 carbon molecule that is produced
first when acetyl-CoA joins with a 4 carbon
molecule to enter the Krebs cycle
CITRIC ACID
Which molecule is used by cells to store and
transfer energy?
ATP
Tell where the enzymes for electron transport
are located.
IN THE CRISTAE
Name the 3 parts of cellular respiration in
the correct sequence.
GLYCOLYSIS, KREBS CYCLE, ELECTRON TRANSPORT
Tell the vocab word that means “with oxygen”
AEROBIC
Name the natural substance found in muscles
that regenerates ATP for extended energy
which is used as a dietary supplement to increase
muscle strength and performance
CREATINE
Name the atmospheric gas required for
Cellular respiration.
OXYGEN
_____________ is the process of splitting a.
glucose molecule into 2 pyruvic acid molecules
GLYCOLYSIS
Tell where glycolysis happens.
IN THE CYTOPLASM
Tell where Krebs cycle happens.
IN THE MATRIX
Describes a process that does NOT require
oxygen; it means “without air”
ANAEROBIC
Which high energy electron carrier produces
the most energy during Electron Transport
NADH
FADH2
This high energy electron carrier produces fewer
ATP’s than NADH as its electrons through the
Electron Transport Chain because it enters farther
down the chain
FADH2
Name the gas produced during alcoholic
fermentation that makes bread dough rise.
CARBON DIOXIDE
Name the type of fermentation used by human
muscles in low oxygen conditions
LACTIC ACID
Name the type of fermentation that makes
bread dough rise
ALCOHOLIC
Where do H+ ions build up, as electrons pass
down the electron transport chain?
INTERMEMBRANE SPACE
Name the pathway that breaks down pyruvic
acid into carbon dioxide and produces NADH,
FADH2, and ATP.
KREBS CYCLE
How many ATP are required to get glycolysis
started?
2
Where do the NADH and FADH2 produced
during the Krebs cycle go next?
ELECTRON TRANSPORT CHAIN
If oxygen is not present, glycolysis is followed
by ___________________
FERMENTATION
Name the type of fermentation used by
microorganisms to make yogurt, pickles, cheese,
and sauerkraut.
LACTIC ACID
Name the type of fermentation used by
microorganisms to make beer and wine
ALCOHOLIC
Which ion moves through ATP synthase
to provide the power to make ATP?
H+ ions
Name the pathway that breaks glucose into
2 pyruvic acid molecules
GLYCOLYSIS
How many net ATP’s are producing during
glycolysis?
Use 2, get 4 back= net gain of 2 ATP
Where do the carbons that came from glucose
end up following the Krebs cycle?
AS CO2 in ATMOSPHERE
If oxygen is present, glycolysis is followed by
_____________
KREBS CYCLE
Name the organelle which acts as the cell’s
power plant to burn glucose and store energy
as ATP
The inner membrane in a mitochondrion is
called the ____________
MITOCHONDRIA
The space between the cristae and the outer
membrane is called the _____________
CRISTAE
The space inside the cristae is called the
INTERMEMBRANE SPACE
Name the molecule which has the formula
C6H12O6 that is split in half during glycolysis
GLUCOSE
MATRIX
Which part of cellular respiration makes the
most ATP?
GLYCOLYSIS
Name the molecule that reacts with pyruvic acid
to release C02, produce NADH, and acetyl-CoA
before it enters the Krebs cycle.
GLYCOGEN
ACETYL-CoA
Name the TWO molecules stored by your cells
that can be burned for energy when glucose is
used up.
GLYCOGEN & FAT
Energy unit that equals the amount of energy
needed to raise the temperature of 1 gram of
water 1◦ C
calorie
ELECTRON TRANSPORT
Name the molecule that forms when Coenzyme
A attaches to two carbons from pyruvic acid.
CO-ENZYME A
_____________ is the storage form of glucose
used by animal cells which can be broken down
for energy when glucose is used up.
KREBS CYCLE
Calorie
Energy unit used to measure the energy
stored in food
calorie
Calorie
Another name for pyruvic acid
PYRUVATE
Name the TWO high energy electron
carriers involved in cellular respiration
NAD+/NADH
& FAD/FADH2
Tell the equation for cellular respiration
C6H12O6 + 6O2 → 6CO2 + 6H2O + energy
Tell the reactants in cellular respiration
C6H12O6 + 6O2
How many total ATP’s can be made from
1 molecule of glucose that completes
Cellular respiration?
Name the molecule formed from pyruvic
acid that accumulates in muscles during
exercise when oxygen is not available
LACTIC ACID
Name the high energy electron carrier that
is regenerated during fermentation to keep
glycolysis going
NAD+
What are the products of cellular respiration?
6CO2 + 6H2O + energy
If bread is made using alcoholic fermentation,
why don’t you get drunk when you eat bread?
ALCOHOL EVAPORATES DURING COOKING
Which process produces the mast ATP?
Fermentation
Cellular respiration
36
What molecule is the final electron acceptor
at the end of the Electron transport chain?
OXYGEN
Which molecule is produced at the end of
the Electron transport chain when oxygen
accepts electrons?
WATER (H2O)
How many phosphate groups are in an
ADP molecule?
How many phosphate groups are in an ATP
molecule?
2
3
What is the equation that shows how
ADP is changed into ATP?
What is the equation for lactic acid
fermentation?
ADP + P + energy →
pyruvic acid + NADH → lactic acid + NAD+
ATP
What is the equation that shows how
ATP released energy to make ATP?
ATP → ADP + P + energy
Organisms that can’t make their own food
and get energy from eating other organisms
are called ______________
HETEROTROPHS
What is the equation for alcoholic
fermentation?
pyruvic acid + NADH → alcohol + CO2 + NAD+
Organisms that can make their own food are
called _______________
AUTOTROPHS
Where do prokaryotes have their ETC if
they don’t have mitochondria?
Explain why FADH2 produces fewer ATP’s than
NADH during Electron Transport.
ATTACHED TO THEIR CELL MEMBRANES
FADH2 enters ETC farther down line so it skips
the first proton pump; fewer H+ means less ATP
Athletes needing quick energy for a short time
(like a 50 yd dash) are getting energy using
which pathway?
Athletes needing energy for long periods
(like a marathon or soccer game) get their
energy using which pathway?
LACTIC ACID FERMENTATION
Name the ion channel through which H+ ions
pass that adds the P onto ADP to make ATP.
ATP SYNTHASE
CELLULAR RESPIRATION
Once cells burn up their glucose and glycogen
which molecule is used to supply energy?
FAT
What is the chemical formula for glucose.
C6H12O6
They have mitochondria for cellular respiration
The cristae is another name for __________
Inner membrane
TRUE or FALSE
Green plants do not have mitochondria.
Intermembrane space
The process by which cells release energy
from glucose in the absence of oxygen is ?
FERMENTATION