*Unit 4 Part 3: Cellular Respiration Flashcards
Photosynthesis and Cellular Respiration
What is the goal of cellular respiration?
To make usable energy to do work in the cell
What do heterotrophs use the cellular respiration process for?
To break down food into energy
What are the needs of cellular respiration?
~Glucose
~Oxygen
What does cellular respiration produce?
~ATP
~CO2
~Water
What is the cellular respiration equation?
C6H1206 + O2 -> CO2 + H2O + ATP
What is the cellular respiration equation in words?
Glucose + Oxygen -> Carbon Dioxide + Water + Energy
The cellular respiration formula is the opposite of _____.
photosynthesis
Where in the cell does cellular respiration occur?
The cytoplasm and the mitochondria
How many stages of cellular respiration are there?
3
What are the stages of cellular respiration?
- Glycolysis
- Kreb’s Cycle
- Electron Transport Chain
Where does glycolysis occur?
In the cytoplasm
Is the following statement true or false?
Glycolysis is aerobic.
False
During the process of glycolysis, glucose is broken down into…
two pyruvate molecules.
What does glycolysis require the input of?
2 ATP
What does glycolysis produce?
2 NADH and 4 ATP
Where does kreb’s cycle occur?
In the mitochondrial matrix
During kreb’s cycle, pyruvate…
is broken down into CO2 and released.
During kreb’s cycle, energy rich molecules known as _____ and _____ are carried into the next step.
FADH; NADH
During kreb’s cycle, how many ATP are produced?
2
What does ETC stand for?
(its not et cetera)
Electron Transport Chain
Where does ETC occur?
In the mitochondria intermembrane
NADH and FADH from the _____ enter into the electron transport chain where ATP is formed from _____.
kreb’s cycle; ADP
What is released through ETC?
Water
What is produced through ETC?
32-34 ATP
How much total ATP is made through cellular respiration?
36-38 Total ATP
Photosynthesis and cellular respiration are _____ cycles.
opposite
Aerobic
Occurs in the presence of oxygen
Anaerobic
Does not occur in the presence of oxygen
Which process/processes in cellular respiration are aerobic?
Kreb’s cycle and ETC
Which process/processes in cellular respiration are anaerobic?
Gylcolysis
Is the following statement true or false?
Fermentation is not an effective process.
True
How much ATP does fermentation produce in comparison to aerobic respiration?
It produces fewer ATP molecules than aerobic respiration.
Lactic Acid Fermentation
The pyruvid acid formed during glycolysis is broke down to lactic acid and energy is released
List an example of lactic acid fermentation being used in the body.
Used by your muscles when they run out of oxygen during a work out (the “burn” feeling).
Alcohol Fermentation
Pyruvic acid is formed during glycolysis and is then broken down to produce alcohol and carbon dioxide is released.
What is alcohol Fermentation used to make?
~Wine
~Beer
~Bread
~Cheese
~Soy Sauce
