Practice Questions

TLS Online TPP Program

#Question id: 370

Which of the following statements is true about buffer solutions?

#Unit 1. Molecules and their Interaction Relevant to Biology

They maintain a constant pH of 7.
They maintain a constant pH when acids are added to them but not when bases are added to them.
They fluctuate in pH when either acids or bases are added to them.
They maintain a relatively constant pH when either acids or bases are added to them.

More Questions

TLS Online TPP Program

#Question id: 3877

#Unit 3. Fundamental Processes

Differential RNA processing may result in:

TLS Online TPP Program

#Question id: 3878

#Unit 3. Fundamental Processes

Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?

TLS Online TPP Program

#Question id: 3879

#Unit 3. Fundamental Processes

Which of the following is not usually essential for the catalytic activity of ribozymes?

TLS Online TPP Program

#Question id: 3880

#Unit 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

#Unit 3. Fundamental Processes

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

TLS Online TPP Program

#Question id: 3882

#Unit 3. Fundamental Processes

The reverse transcriptase of an animal RNA virus catalyzes: