Carbohydrate metabolism

During cellular respiration, the carbon dioxide produced is

• absorbed

• taken out

• Stored

• Consumed

Oxidative phosphorylation is the production of?

• NADH in respiration

• ATP in respiration

• NADPH in photosynthesis

• ATP in photosynthesis

What is the end product of glycolysis?

• Fructose I – phosphate

• Glucose I – phosphate

• Acetyl CoA

• Pyruvic acid

Before pyruvate enters the Krebs cycle, the connecting link between Krebs cycle and glycolysis is changed to?

• PEP

• Oxaloacetate

• Pyruvate

• AcetylCoA

Reduction of NADP+ to NADPH is seen in

• HMP

• Glycogenesis

• Krebs cycle

• Calvin cycle

Which of these yields the maximum number of ATP molecules and is the ultimate respiratory substrate

• Amylose

• Glucose

• Ketogenic amino acids

• Glycogen

___________ is the incomplete oxidation of glucose into pyruvic acid involving many intermediate steps

• HMP

• Krebs cycle

• Glycolysis

• TCA pathway

A single molecule of glucose generates _________ molecules of acetyl CoA, which enters the Krebs cycle.

• 4

• 3

• 2

• 1

___________ accepts hydrogen from malate

• FAD

• NAD

• NADP

• FMN

Krebs cycle occurs in aerobic respiration due to

• Electron transport chain requires aerobic conditions to operate

• Oxygen is a reactant

• Oxygen has a catalytic function

• All of the above