CARBOHYDRATE QUIZ

Fructose diphosphate accumulation would

stimulate glycolysis and gluconeogenesis

stimulate glycolysis and inhibit gluconeogenesis

inhibit glycolysis and gluconeogenesis

inhibit glycolysis and stimulate gluconeogenesis

TRUE ANSWER : ?
YOUR ANSWER : ?

In lysozyme catalysis, which of the following does not contribute?

Formation of a covalent intermediate at Ser195

The abnormally high pKa of Glu35

Formation of a covalent intermediate at Asp52

The strained conformation of the D sugar

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following would be considered a part of metabolism?

Biosynthetic pathways that build DNA

All of the above

The capture of light energy for use in making glucose

Catabolic pathways that break down complex carbohydrates

TRUE ANSWER : ?
YOUR ANSWER : ?

The conversion of pyruvate to oxaloacetate

requires biotin

occurs in the mitochondria

involves the fixation of carbon dioxide

all of the above

TRUE ANSWER : ?
YOUR ANSWER : ?

The ultimate source of energy that sustains living systems is

sunlight

glucose

oxygen

carbon dioxide

TRUE ANSWER : ?
YOUR ANSWER : ?

Saliva contains all of the following except

antibodies

amylase

bacteria-killing enzymes

hormones

TRUE ANSWER : ?
YOUR ANSWER : ?

Patients suffering from Von Gierke's disease are unable to perform gluconeogeneis because they have a defective

glucose 6 phosphatase

none of these

pyruvate carboxylase

lactate dehydrogenase

TRUE ANSWER : ?
YOUR ANSWER : ?

Aldolases splits fructose 1,6 biphosphate into

dihydroxyacetone phosphate

glyceraldehyde 3- phosphate

glyceraldehyde 3- phosphate and dihydroxyacetone phosphate

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

During vigorous exercise, pyruvate produced by glycolysis is converted to

acetate

lactate

monosodium phosphate

pyruvic acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Pyruvate is initially converted to which of the following in the gluconeogenesis?

Acetyl CoA

Glycerol

Oxaloacetate

Phosphoenol pyruvate

TRUE ANSWER : ?
YOUR ANSWER : ?

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