Which of the following regulatory events ensure that CDKs are active only at the appropriate time and cell cycle stage?

a) cyclin binding

b) Phosphorylation on CDK

c) CKIs

d) Phosphorylation on cyclin

TLS Online TPP Program

#Question id: 4488

#Unit 3. Fundamental Processes

One component of thecomplex bears bromodomains and thus binds to acetylated nucleosomes better than to unacetylated nucleosomes. Thus, a gene bearing acetylated nucleosomes at its promoter will likely have a higher affinity for the transcriptional machinery than one with unacetylated nucleosomes.

TLS Online TPP Program

#Question id: 33307

#Unit 1. Molecules and their Interaction Relevant to Biology

Two molecules of inhibitor can bind to the substrate binding site, increasing Km value but not affecting Vmax called as

TLS Online TPP Program

#Question id: 23654

#Unit 13. Methods in Biology

How many recombinant clones must be present in a cDNA library to be 95% certain that the library contains one clone of a particular mRNA molecule representing 0.005% of the total mRNA? 

TLS Online TPP Program

#Question id: 10575

#Unit 10. Ecological Principles

If the per capita birth rate (b) and per capita death rate (d) in one year is 0.80 and 0.20 respectively. if the initial population size is 600, what will be net change (dN) in population size in one year

TLS Online TPP Program

#Question id: 15776

#Unit 5. Developmental Biology

Which stem cells play critical roles in fueling organogenesis in the embryo and regeneration in adult tissues?

A. Adult stem cells.

B. Embryonic stem cells

C. True stem cells

D. Tissue specific stem cells