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Carbohydrate metabolism 1b

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Glycolysis occurs in the mitochondria

a)

True

b)

False

2.

All 10 reactions of glycolysis are important and reversible

a)

True

b)

False

3.

The first 5 steps in glycolysis are called "energy-investment" steps as ATP is required to drive them

a)

True

b)

False

4.

The end product of glycolysis is _____________

a)

starch

b)

glucose

c)

acetyl coA

d)

pyruvate

5.

The NADH that is formed in glycolysis can go on to produce more ATPs by oxidative phosphorylation in the mitochondria

a)

True

b)

False

6.

The enzymes that regulate glycolysis are allosteric enzymes

a)

True

b)

False

c)

Maybe

d)

Does not matter

7.

Glycolysis means breakdown of GLUCOSE. Other sugars such as fructose cannot enter glycolysis pathway

a)

True

b)

False

8.

Muscle uses Fructokinase enzyme to allow fructose entry into glycolysis

a)

True

b)

False

9.

_____________ is a regulatory enzyme of glycolysis pathway

a)

Hexokinase (HK)

b)

Phosphofructokinase (PFK)

c)

Pyruvate Kinase (PK)

d)

all the above

10.

Part of the glycolytic pathway can proceed in the reverse direction (as they contain many reversible steps)

a)

True

b)

False

11.

The aim of glycolysis is to produce ATP. When ATP is in excess, it acts as an activator for all the regulatory enzymes of glycolysis

a)

True

b)

False

12.

____________ occurs in the cytoplasm; whereas ____________ occurs in both mitochondria & cytoplasm

a)

Gluconeogenesis; Glycolysis

b)

Glycolysis; Gluconeogenesis

c)

Both are correct

d)

None of the above is correct