Which of the following is examples of Aromatic cytokinins 

a. ortho-Topolin (oT), meta-Topolin (mT), Benzyladenine (BA

b. ortho-Methoxytopolin, meta-Methoxytopolin

c. trans-Zeatin (tZ), Dihydrozeatin (DZ)

d. cis-Zeatin, trans-Zeatin (tZ)

Which of the following is correct

TLS Online TPP Program

#Question id: 3776

#Unit 3. Fundamental Processes

Telomere shortening puts a limit on the number of times a cell can divide. Research has shown that telomerase can extend the life span of cultured human cells. How might adding telomerase affect cellular aging?

TLS Online TPP Program

#Question id: 3777

#Unit 3. Fundamental Processes

Which of the following types of cells are affected most by telomere shortening?

TLS Online TPP Program

#Question id: 3778

#Unit 3. Fundamental Processes

Which of the following effects might be caused by reduced or very little active telomerase activity?

TLS Online TPP Program

#Question id: 3779

#Unit 3. Fundamental Processes

In a healthy eukaryotic cell, the rate of DNA repair is typically equal to the rate of DNA mutation. When the rate of repair lags behind the rate of mutation, what is a possible fate of the cell?

TLS Online TPP Program

#Question id: 3780

#Unit 3. Fundamental Processes

If a cell were unable to produce histone proteins, which of the following results would be a likely effect on the cell?

TLS Online TPP Program

#Question id: 3781

#Unit 3. Fundamental Processes

Hershey and Chase used a DNA-based virus for their work. How might the results have been different if they had used an RNA virus?