MCQ 3

Question 1

How many ATP arising from oxidative phosphorylation are generated via the production of reduced co-enzymes arising from 4 molecules of acetyl Co-A ?

Answer 1

36

Question 2

Which domain in ATP synthase contains the hydrophillic pathway that allows protons to flow back from inter membrane space to the mitochondrial matrix

Answer 2

F0

Question 3

In photosynthesis the electrons lost from the reaction centre (P680) of photosystem II are replaced by electrons from… ?

Answer 3

H20

Question 4

Photosynthesis equation

Answer 4

6CO2+ 12H20 —> C6H12O6 + 602+ 6H2O

Question 5

Hoe many rounds of B-oxidation are necessary to completetly oxidise lignoceric acid (C24:0) to acetyl- CoA?

Answer 5

11

Question 6

what is the overall energy yield from the oxidation of 1 molecule of lignoceric acid (C24:0)?

Answer 6

164

Question 7

The order of the series of reactions that characterizes the synthesis of fatty acid is ?

Answer 7

Condensation, Reduction, dehydration, reduction

Question 8

The production of ketone bodies from Acetyl-coA occurs during a period of

Answer 8

Starvation

Question 9

Which of the following lipoproteins is the smallest in size

Answer 9

HDL

Question 10

Which of the following Amino Acid is essential in humans

Answer 10

Phenylalanine