Final Exam Prep

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I don’t know about you guys, but finals are never a walk in the park. More like… a trial by fire… at sword point… So we’ve prepped some multiple choice questions to help you though your battle at the Hot Gates.

This. Is…. Biochem? 😐

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MCQ’s
What is activation energy?

a)      Minimum amount of energy for a reaction to occur

b)      The highest energy arrangement of atoms intermediate between the structure of the products and reactants.

c)      Energy formed when enzymes bind to substrate to form enzyme substrate complex

 

What are the final products of the first reaction of glycolysis in the energy investment stage?

i.        Dihydroxyacetone phosphate

ii.       Pyruvate

iii.      Glyceraldehyde-3-phosphate

iv.      3 Phosphoglycerate

a)      (i) & (iv)

b)      (ii) & (iii)

c)      (i) & (iii)

d)      (ii) & (iv)

 

 

Nucleic Acids

 

1) Organic bases can be divided into two groups. What are these two groups?

a)      ribose, deoxyribose

b)      hydrolases, carboxylases

c)      Adinine, guanine

d)      Pyrimidines, purines

 

 

Which of the following statements are true about DNA and RNA? :

 

i)       RNA is less chemically stable than DNA.

ii)       DNA may be temporary and exists for short periods only whilst RNA is permanent

iii)      RNA exists in 3 basic forms whilst DNA exists in one form

iv)     RNA has a double helix whilst DNA has a single helix

 

a)        i) ii)

b)        i) iii) iv)

c)        i), iii)

d)        ii) iii) iv)

 

 

Select the correct multiple answer using ONE of the keys A, B, C, D or E as follows:

The roles of nucleotides are?

I. It is a structural component in enzyme cofactors

II. Acts as an intracellular signal

III. It forms allosteric effectors

IV. It is a building block of nucleic acids

 

A. I, III and IV

B. IV only

C. III and IV only

D. I, II, III and IV

E. II and IV only

 

 

 

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