Biochemistry

Glycolytic pathway regulation involves

allosteric stimulation by ADP

allosteric inhibition by ATP

feedback, or product, inhibition by ATP

allosteric stimulation and inhibition of ATP

During catabolism, only about 40% of the energy available from oxidizing glucose is used to synthesize ATP. Remaining 60%

is lost as heat

is used to reduce NADP

remains in the products of metabolism

is stored as fat

The active form of glycogen phosphorylase is phosphorylated, while the dephosphorylation of which active form occurs?

Glycogen synthase

Glycogen semisynthase

Glycogen hydrolase

Glycogen dehydrogenase

The amount of energy received from one ATP is

76 kcal

7.3 kcal

760 kcal

1000 kcal

The enzymes of glycolysis in a eukaryotic cell are located in the

intermembrane space

plasma membrane

cytosol

mitochondrial matrix

Long-chain fatty acids are oxidized step-wise in one carbon units starting from the

carboxyl end

aliphatic end

aliphatic and carboxyl end

in betwwen the chain

Each cycle of Beta-oxidation produces

FADH2, 1 NAD+, and 1 acetyl-CoA

1 FADH2, 1 NADH and 1 acetyl-CoA

1 FADH2, 1 NADH and 2 CO2 molecules

1 FAD, 1 NAD+ and 2 CO2 molecules

The pH optima for salivary analyse is

6.8

7.5

7.9

8.6

In DNA, the complementary base of adenine is

Guanine

Cytosine

Thymine

Uracil

Where the acyl-CoA formed in the cytosol is transported for oxidation?

Mitochondrial matrix

Microsomes

Endoplasmic reticulum

Remains in cytosol

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