(a) Interpretation: The difference between the phosphofructokinase (PFK) activity in P. Furiosus and other animals should be determined. Concept introduction: Phosphofructokinase is an allosteric enzyme which converts fructose-1-phopshate to fructose-1,6-bisphosphate. It acts as a regulatory enzyme in the glycolysis process. High ATP concentration inside the cell inhibits the activity of PFK.

Question

Draw a tripeptide of your choosing at pH 7. Have the N-terminus on the left and the C-terminus on the right. Then: Draw a triangle around the α-carbons. Draw a box around the R-groups. Circle the atoms capable of hydrogen bonding. Highlight the atoms involved in the formation of the peptide bonds. What type of structure have you drawn? (primary, secondary, tertiary or quaternary protein structure).

Answer 1

Question

Chapter 16, Problem 57P

Interpretation Introduction

(a)

Interpretation:

The difference between the phosphofructokinase (PFK) activity in P. Furiosus and other animals should be determined.

Concept introduction:

Phosphofructokinase is an allosteric enzyme which converts fructose-1-phopshate to fructose-1,6-bisphosphate. It acts as a regulatory enzyme in the glycolysis process. High ATP concentration inside the cell inhibits the activity of PFK.

Interpretation Introduction

(b)

Interpretation:

Effect of ATP and AMP on ADP should be determined.

Concept introduction:

Phosphofructokinase is an allosteric enzyme which converts fructose-1-phopshate to fructose-1,6-bisphosphate. It acts as a regulatory enzyme in the glycolysis process. High ATP concentration inside the cell inhibits the activity of PFK.

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