Almost all of the major animal body plans seen today appeared in the fossil record over 500 million years ago at the beginning of the

TLS Online TPP Program

#Question id: 3884

#Unit 3. Fundamental Processes

Compared with DNA polymerase, reverse transcriptase: 

TLS Online TPP Program

#Question id: 3885

#Unit 3. Fundamental Processes

AZT (3'-azido-2',3'-dideoxythymidine), used to treat HIV infection, acts in HIV-infected cells by:

TLS Online TPP Program

#Question id: 3887

#Unit 3. Fundamental Processes

Aptamers are

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: 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?

TLS Online TPP Program

#Question id: 3896

#Unit 3. Fundamental Processes

Which one of the following is not involved in steroid hormone action?