Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
Define aerobic Respiration |
Organic molecules are decomposed in the presence of oxygen. |
|
Define anaerobic respiration |
respiration occurring without the presence of oxygen |
|
Define cellular respiration |
The conversion of stored energy in complex organic molecules to ATP |
|
Is aerobic catabolic or anabolic? |
Catabolic |
|
Cellular respiration is a controlled stepwise ___________ of organic molecules in a cell. It is controlled by _______. |
Oxidation enzymes |
|
The free energy prodeuced during oxidation is used to drive what? |
the synthesis of ATP |
|
The transfer of electrons during oxidation is known as.... |
oxidation-reduction reactions or redox reactions |
|
Define oxidation and reduction |
Oxidation - loss of electrons Reduction - gain of electrons |
|
In general molecules rich in hydrogen are excellent _____. |
Fuels |
|
What are the three stages in aerobic respiration? |
Glycolysis Citric acid cycle (Kreb's cycle) Electron Transport |
|
Where does glycolysis occur? |
In the cytosol |
|
What are the inputs during glycolysis? |
C6H12O6 --> one molecule of glucose |
|
What are the outputs of glycolysis? |
4 ATP 2 NADH 2 pyruvate 2 H2O |
|
What are the conditions for the Kreb's cycle to proceed? |
Oxygen must be present. Pyruvate transported into mitochondria where oxidation is completed |
|
Where does Krebs cycle proceed in prokaryotes? |
In the cytosol s |
|
What are the inputs of the citric acid cycle? |
2 acetyl groups ( -COCH3) |
|
For every acetyl, what are the outputs? |
2 CO2 and 1 ATP |
|
For every acetyl, what is reduced? |
3 NAD and 1 FAD |
|
How many ATP are produced at the end of cellular respiration? |
38 |
|
How is ATP produced during fermentation? |
By glycolytic pathways using substrate level phosphorylation |
|
What is the consequence of using fermentation to produce ATP? |
The efficiency of ATP synthesis and substrate utilization is greatly reduced |