CARBOHYDRATE QUIZ

Formation of a covalent intermediate at Ser195

Formation of a covalent intermediate at Asp52

The abnormally high pKa of Glu35

The strained conformation of the D sugar

in sucrose is hydrolyzed by bees

joins glucose and fructose to form sucrose

in maltose is not hydrolyzed in lactose intolerant humans

both (b) and (c)

stimulates gluconeogenesis and inhibits glycolysis

inhibits gluconeogenesis and stimulates glycolysis

inhibits gluconeogenesis and glycolysis

stimulates gluconeogenesis and glycolysis

fructose 6-phosphate

fructose 1,6 biphosphate

phosphofructokinase

glucose 6- phosphate

brain

muscle

kidney

liver

Glycerol

Acetyl CoA

Oxaloacetate

Phosphoenol pyruvate

None of these

Asn-Xaa-(Ser or Thr)

(Ser or Thr)-Asn-Ala

Thr-(Asn or Gln)-Ala

use the same substrate for all of the enzymes in the pathway

use the same enzyme for all of the substrates in the pathway

locate all of the enzymes for a pathway in the same place within the cell

spread the enzymes for a pathway into several different organelles

monosodium phosphate

acetate

pyruvic acid

lactate

Glucokinase

Glucose isomerase

Glucose-6-phosphate dehydrogenase

Lactate dehydrogenase