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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: 3884

#Unit 3. Fundamental Processes

Compared with DNA polymerase, reverse transcriptase: 
TLS Online TPP Program

#Question id: 3888

#Unit 3. Fundamental Processes

Which of these polymerases does not require a template?
TLS Online TPP Program

#Question id: 3889

#Unit 3. Fundamental Processes

The operator region normally can be bound by:
TLS Online TPP Program

#Question id: 3891

#Unit 3. Fundamental Processes

Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?
TLS Online TPP Program

#Question id: 3892

#Unit 3. Fundamental Processes

The DNA binding motif for many prokaryotic regulatory proteins, such as the lac repressor, is:
TLS Online TPP Program

#Question id: 3893

#Unit 3. Fundamental Processes

Protein structural motifs often have general functions in common.  Which one of the following motifs is known to be involved in protein dimer formation, but not in direct protein-DNA interactions?