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TLS Online TPP Program

#Question id: 27414

Which of the following is correctly describing the common structure of any sterol

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Four fused benzene ring with alkyl side chain and 3’ OH a polar residue

  2. Two fused ring (1 six membered and 1 five member) with alkyl side chain and 3’ OH a polar residue

  3. Three fused ring (2 six membered and 1 five member) with alkyl side chain and 3’ OH a polar residue

  4. Four fused ring (3 six membered and 1 five member) with alkyl side chain and 3’ OH a polar residue

More Questions
TLS Online TPP Program

#Question id: 1005

#Unit 1. Molecules and their Interaction Relevant to Biology

The first step in the de novo biosynthesis of IMP is a reaction between glutamine and PRPP. Which statement is not true about this reaction?
TLS Online TPP Program

#Question id: 1004

#Unit 1. Molecules and their Interaction Relevant to Biology

Which structure below is PRPP?
TLS Online TPP Program

#Question id: 1003

#Unit 1. Molecules and their Interaction Relevant to Biology

The glucose-alanine cycle provides ________.
TLS Online TPP Program

#Question id: 1002

#Unit 1. Molecules and their Interaction Relevant to Biology

What would be the product of the transamination of the structure shown below? (The unionized forms are shown.)
TLS Online TPP Program

#Question id: 1001

#Unit 1. Molecules and their Interaction Relevant to Biology

The following fatty acid, in which the indicated carbon is labeled with 14C, is fed to an animal:  14CH3(CH2)9COOH After allowing 30 minutes for fatty acid B oxidation, the label would most likely be recovered in:
TLS Online TPP Program

#Question id: 1000

#Unit 1. Molecules and their Interaction Relevant to Biology

 Which of the following is (are) true of the B oxidation of long-chain fatty acids?

1. The enzyme complex that catalyzes the reaction contains biotin.

2. FADH2 serves as an electron carrier.

3. NADH serves as an electron carrier.

4. Oxidation of an 18-carbon fatty acid produces six molecules of propionyl-CoA.

5. Oxidation of a 15-carbon fatty acid produces at least one propionyl-CoA.