The colour of carrots, is due to;

TLS Online TPP Program

#Question id: 4194

#XL - T Zoology

After the action of peptidyl transferase, the peptidyl-tRNA is located at the

TLS Online TPP Program

#Question id: 1119

#XL - Q Biochemistry

Phosphorylation cascades involving a series of protein kinases are useful for cellular signal transduction because they:

TLS Online TPP Program

#Question id: 15602

#XL - S Microbiology

The antibiotic erythromycin, the immunosuppressive drug FK506, and the cholesterol-lowering drug lovastatin all belong to which class.

TLS Online TPP Program

#Question id: 1550

#XL - S Microbiology

IL-4 responsible for class switch recombination (CSR) into,

TLS Online TPP Program

#Question id: 4954

#XL - S Microbiology

If natural selection in a particular environment favored genetic systems that permitted the production of daughter ʺcellsʺ that were genetically dissimilar from the mother ʺcells,ʺ then one should expect selection for

I. polynucleotide polymerase with low mismatch error rates.

II. polynucleotide polymerases without proofreading capability.

III. batteries of efficient polynucleotide repair enzymes.

IV. polynucleotide polymerases with proofreading capability.

V. polynucleotide polymerases with high mismatch error rates.