Formative

Question 1

Energetically unfavourable reactions can only proceed because they?

Answer 1

Are couple to catabolic reactions

Question 2

How is a nucleotide described?

Answer 2

Base + ribose sugar + phosphate

Question 3

Lipid membrane surrounding eukaryotic cells does not contain

Answer 3

Ribosomes

Question 4

Which structure of protein is amino acid sequence described as?

Answer 4

Primary

Question 5

An enzyme increase the rate of a spontaneous reaction by..

Answer 5

Decreasing the activation energy

Question 6

Monomers of carbohydrates are linked together by?

Answer 6

Glycosidic bonds

Question 7

Catabolism of 1 mol of glucose produces a net gain of how many ATP?

Answer 7

2

Question 8

Ingesting alcohol reduces which one of the following intermediates in the liver?

Answer 8

NAD+

Question 9

What is the name of the molecule that transports electrons between complexes III and IV of the electron transport chain?

Answer 9

Cytochrome C

Question 10

ATPase utilises what mechanism in order to generate ATP?

Answer 10

Binding-change mechanism

Question 11

Which vitamin is not derived from a lipid?

Answer 11

Vitamin C

Question 12

Excess acetyl Co-A from fatty acids gives rise to formation of?

Answer 12

Ketones

Question 13

Which amino acid is central to nitrogen entering the body?

Answer 13

Glutamate

Question 14

Which cycle is important in nitrogen metabolism?

Answer 14

Glucose-Alanine cycle

Question 15

How much of water taken in by a person will go into the extracellular fluid?

Answer 15

1/3

Question 16

The resting membrane potential is directly generated by:

Answer 16

The permeability of the resting membrane to K+

Question 17

Which potential is always large enough to evoke an AP in the muscle?

Answer 17

End-plate potential

Question 18

Thick filaments of skeletal muscle are composed of what?

Answer 18

Myosin

Question 19

Contraction of skeletal muscle requires what?

Answer 19

The release of Ca2+ from the sarcoplasmic reticulum?

Question 20

An antagonist at a pharmacological receptor will have what?

Answer 20

High affinity and low efficacy

Question 21

An increase in gut motility is caused by?

Answer 21

The activation of the parasympathetic system

Question 22

Golgi tendon organs are stimulated by?

Answer 22

Increased tension and cause relaxation of the muscle

Question 23

Viral infection would typically cause elevated levels of which blood cell type?

Answer 23

Lymphocytes