Biochem Finals Quiz

Complete reviewer for Krebs Cycle and Glyoc

What is the purpose of adding phosphate to Glucose upon entering the cell?

The addition of phosphate increases the reactivity of glucose.

How many NADH are produced in the Glycolysis?

2

What is the ATP equivalent of NADH?

2.5

How many NADH is produced in a single round of Kreb’s Cycle?

3

How many Carbon Dioxide are released in a single round of Kreb’s Cycle?

2

Which of the following Kreb’s cycle intermediate can be converted to Amino Acid?

Oxaloacetate

What is the enzyme responsible for the manipulation of hydrogen attached to a molecule?

Dehydrogenase

In the biosynthesis part of the Kreb’s Cycle, which of the following can be converted to Fatty Acids?

Citrate

Which of the following is an isomer of Glyceraldehyde?

Dihydroxyacetone

How many ATPs are invested during the first phases of Glycolysis?

2

Which of the following enzyme is responsible for the change of one molecule to its isomer?

Isomerase

How many carbons are found in an Oxaloacetate?

4

Which of the following enzyme facilitates the splitting of sugar molecule?

Aldolase

How many NADH is produce if 2 pyruvate is converted to Acetyl-CoA?

2

Which of the following intermediates needed to form a citrate?

Oxaloacetate and Acetyl-CoA

Which of the following enzyme is involved in a COMMITTED STEP (Point of No Return) reaction?

Phosphofructokinase-1

Which of the following is the initial substrate for Glycolysis?

Glucose

Cytosolic NADH was facilitated by a Malate-Aspartate Shuttle, how many ATP will be delivered?

2.5

The final product of Glycolysis?

Pyruvate

Which of the following enzyme is responsible for the shifting of moiety from one carbon to another?

Mutase

The biosynthesis part of the Krebs Cycle, which of the following can be converted to Heme?

Succinate

The biosynthesis part of the Kreb’s Cycle, which of the following can be converted to Purine?

Alpha-Ketoglutarate

The biosynthesis part of the Kreb’s Cycle, which of the following can be converted to Pyrimidine?

Oxaloacetate

What is the ATP equivalent of FADH2?

1.5

Which of the following enzyme facilitates dehydration?

Enolase

How many ATP can be produced in a single molecule of glucose if MA Shuttle is used?

32

Which of the following enzyme is responsible for the addition and removal of Phosphate?

Kinase

How many ATP can be produced in a single molecule of glucose if G3P Shuttle is used?

30

Which of the following enzyme facilitates the conversion of pyruvate to Acetyl-CoA?

Citrate Synthase

How many FADH are produced in a single round of Kreb’s Cycle?

1