Biology Cellular Respiration
The whole point of the cycle is to release __ Hydrogen atoms
12
How many carbon atoms are in Acetyl Co-A
2
How many times does the Krebs cycle happen
2
Only ____% of the available energy in glucose is released by fermentation
2
number of ATP produced in Krebs
2
number of ATP produced in glycolysis
2
Energy is created to form _ ATP
3
Number of ATP produced in ETC
32
Total of __ ATP are formed during ETC
32
Total of __ ATP molecules are formed during Cellular Respiration
36
How does ADP become ATP
ADP attaches to a Phosphate (P)
What is the entry molecule for the Krebs Cycle
Acetyl CO-A
What would be the problem if cellular respiration took place in one step
All energy would be released
Fermentation
Anaerobic breakdown of glucose hat results in a gain of 2 ATP molecules and end products such as alcohol and lactate
________ can change alcohol to Vinegar
Bacteria
Formula for Glucose
C6 H12 O6
Formula for Cellular Respiration
C6 H12 O6 + 6 02 -----> 6 CO2 + 6 H20 + 36 ATP
_____ is released as a byproduct of the Krebs Cycle
CO2
FAD
Carrier only found in the Citric Acid Cycle but not found in the process of fermentation
NAD+
Carrier that must be recycled during the process of fermentation
what is the first molecule formed during Krebs
Citric Acid
What is another name for the Krebs Cycle
Citric Acid Cycle
What are the two stages of Aerobic Respiration
ETC and Krebs Cycle
Calorie
Equivalent to 1000 calories
T of F, Glycolysis releases a great amount of energy
F
T or F, glucose is a product of cellular respiration
F
Without oxygen, Glycolysis allows cells to make small amounts of ATP through a process called
Fermentation
Pyruvic Acid
Final product of glycolysis, first reactant of the Krebs cycle
Glycolysis
First set of reactions present in both aerobic and anaerobic metabolic pathways
What are the 2 products of Glycolysis
Glucose and ATP
Reactants of Cellular Respiration
Glucose and oxygen
What are the 3 parts of Cellular Respiration
Glycolysis, Kreb's Cycle, and ETC
Who is the Krebs cycle named after?
Hans Krebs
Examples of aerobic respiration
Krebs Cycle, ETC
Coenzyme A
Major enzyme involved in the Krebs Cycle
Anaerobic
Metabolic pathway that doesn't use oxygen
Aerobic
Metabolic pathway that uses oxygen
Acetyl CO-A
Molecule made up of a 2-carbon molecule bonded with CoEnzyme A
how does NAD+ become NADH
NAD+ attaches to 2 electrons and 1 hydrogen atom
Mitochondria
Organelle where Cellular Respiration takes place
ETC
Passage of electrons along a series of protein carriers from a higher to a lower energy level
2 types of respiration
aerobic and anaerobic
What types of organisms rely on Cellular Respiration
all living organisms
Products of Cellular Respiration
carbon dioxide, water, and ATP
Glucose
chemical form of energy
What happens if oxygen is in short supply during Acetic Acid Fermentation?
converted into acetic acid
Krebs Cycle
cycle of reactions in mitochondria that begins with citric acid, produces carbon dioxide, ATP, NADH, FADH2
Where is Glycolysis located
cytoplasm
What do the folds within the mitochondria hold?
enzymes
Products of Alcoholic Fermentation
ethal alcohol and carbon dioxide
What process can only provide enough ATP for 90 seconds of activity
fermentation
Examples of an anaerobic process
fermentation and glycolysis
Cellular respiration often begins with
glucose
___________ is broken down during
glycolysis
Calorimeter
instrument used to measure heat-energy
Products of Lactic Acid Fermentation
lactic acid
The power plant of cells that burns glucose and stores energy
mitochondria
Where does Aerobic Respiration occur?
mitochondria
What is the first molecule of the Krebs Cycle called
oxaloacitate
Breaking down glucose requires
oxygen
The final electron acceptor in cellular respiration
oxygen
The final electron acceptor is
oxygen
Where does cellular respiration occur
plants and animals
Reactants of Alcoholic Fermentation
pyruvate
Reactants of Lactic Acid Fermentation
pyruvic acid
Lactic Acid causes
sore muscles
How does glycolysis start
splitting of glucose
Glycolysis
splitting of glucose into two molecules of pyruvate
What is a calorie
the amount of energy needed to raise one gram of water 1 degree Celsius
Cellular Respiration
the complete breakdown of glucose to carbon dioxide and water with the result of 36 ATP molecules
What happens if oxygen is in short supply during Lactic Acid Fermentation?
turned into Lactic Acid
Aerobic Respiration is used by
yeast and bacteria
Alcoholic Fermentation
yeast and bacteria make ATP by converting pyruvate into ethal alcohol and carbon dioxide