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
The enzyme, decarboxylase, catalyses the following step :
1. conversion of citric acid to cis aconitic acid
2. fumaric acid to malic acid
3. oxalosuccinic acid to -ketoglutaric acid
4. malic acid to oxaloacetic acid
Pyruvate dehydrogenase activity during aerobic respiration requires:
1. | Calcium | 2. | Iron |
3. | Cobalt | 4. | Magnesium |
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 |
Which of the metabolites is common to respiration, mediated breakdown of fats, carbohydrates and proteins?
1. Glucose-6-phosphate
2. Fructose 1, 6, bisphosphate
3. Pyruvic acid
4. Acetyl Co-A
Which of the following is the connecting link between glycolysis and Kreb's cycle?
1. | Acetyl Co-A | 2. | Oxalosuccinic acid |
3. | Pyruvic acid | 4. | Citric acid |
Where is the respiratory electron transport system (ETS) located in plants?
1. Mitochondrial matrix
2. Outer mitochondrial membrane
3. Inner mitochondrial membrane
4. Intermembrane space
Respiratory Quotient (RQ) value of tripalmitin is:
1. | 0.09 | 2. | 0.9 |
3. | 0.7 | 4. | 0.007 |
Glycolysis is found in the cytoplasm of virtually all types of aerobic/anaerobic cells. In this process, glucose is converted into :
1. | PEP | 2. | acetyl CoA |
3. | pyruvic acid | 4. | citric acid |
Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:
1. Phosphofructokinase
2. Aldolase
3. Hexokinase
4. Enolase