Which of these can be observed in the mesohyl of various undisturbed sponges at one time or another?

1. amoebocytes

2. spicules

3. spongin

4. zygotes

5. choanocytes

TLS Online TPP Program

#Question id: 3880

#3. Fundamental Processes

Which one of the following properties of the L-19 IVS ribozyme is not shared with enzymes that are purely protein?

TLS Online TPP Program

#Question id: 3881

#3. Fundamental Processes

Which one of the following statements about mRNA stability is true?

TLS Online TPP Program

#Question id: 3882

#3. Fundamental Processes

The reverse transcriptase of an animal RNA virus catalyzes:

TLS Online TPP Program

#Question id: 3885

#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

#3. Fundamental Processes

Aptamers are

TLS Online TPP Program

#Question id: 3888

#3. Fundamental Processes

Which of these polymerases does not require a template?