The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of:
1. ATP in small stepwise units
2. ATP in one large oxidation reaction
3. Sugars
4. Nucleic acids
Pyruvate dehydrogenase activity during aerobic respiration requires:
1. | Calcium | 2. | Iron |
3. | Cobalt | 4. | Magnesium |
How many ATP molecules are produced by aerobic oxidation of one molecule of glucose?
1. | 2 | 2. | 4 |
3. | 38 | 4. | 34 |
How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to and yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 Kcal?
1. | Two | 2. | Thirty |
3. | Fifty-seven | 4. | One |
Let us say there are 30 NADH and 12 in a mitochondrion. What is the maximum number of ATP generated if all dinucleotides are used in chemiosmosis?
1. | 42 | 2. | 84 |
3. | 114 | 4. | 142 |
A multienzyme complex amongst the following would be:
1. | sucrase |
2. | |
3. | hexokinase |
4. | pyruvate dehydrogenase |
The corresponding yield of ATP from one molecule of is:
1. | 2 | 2. | 3 |
3. | 4 | 4. | 6 |
In the ETS in mitochondria, identify the product that is not correctly matched with its number:
1. | NAD+ = 10 | 2. | FAD = 2 |
3. | ATP = 26 | 4. | H2O = 12 |
Match the following and choose the correct option from those given below.
Column A | Column B | ||
A. | Molecular oxygen | i. | \(\alpha\)-Ketoglutaric acid |
B. | Electron acceptor | ii. | Hydrogen acceptor |
C. | Pyruvate dehydrogenase | iii. | Cytochrome C |
D. | Decarboxylation | iv. | Acetyl CoA |
Options :
A | B | C | D | |
1. | ii | iii | iv | i |
2. | iii | iv | ii | i |
3. | ii | i | iii | iv |
4. | iv | iii | i | ii |
Pyruvate is transported into the mitochondria by:
1. Simple diffusion
2. Facilitated diffusion
3. Active transport
4. Either 2 or 3, depending on the availability of oxygen