Problem:

Quetion 1: Which of the following are false regarding ATP?

A- ATP is not the principle carrier of free energy in a chemical process

B- It is composed of a ribose sugar, three phosphate groups and an adenine nitrogen base

C It forms a complex with Mg2+ or Mn2+

D Hydrolysis of the end phosphoanhydride bond provides about -7.3 kcal/mol

E. None of the above

Question 2: Which of the statements below are FALSE with respect to metabolism?

a) In stage 1 of metabolism, the processes of digestion break down the large macromolecules into small monomer units by hydrolysis.

b) In stage 1 of metabolism, the hydrolysis of complex molecules that take place in the stomach during digestion converts complex molecules such as carbohydrates, proteins and fats into their component monomeric units

c) In stage 1 of metabolism, the hydrolysis of complex molecules that take place in the stomach during digestion converts complex molecules into amino acids, glucose, fructose, galactose, glycerol, and fatty acids

d) Step one in metabolism occurs at the stage of digestion of the polysaccharides, lipids, and proteins that we ingest

e) Energy generation occurs in 3 stages

f) none of the above

Question 3: What is the value of D Go' for the pathway A <=> B <=> C <=> D?

Reaction D Go'
B <==> A +5 kcal/mol
C <==> A +5 kcal/mol
C <==> D -15 kcal/mol
A. +10
B. +5
C. -10
D. -15
E. -20

Give reasoning with your answer.