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

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#Question id: 714

#Unit 1. Molecules and their Interaction Relevant to Biology

What is  the length of a polypeptide with 100 amino acids residue in a single contiguous alpha helix?

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#Question id: 33468

#Unit 1. Molecules and their Interaction Relevant to Biology

The atoms that participate in the hydrogen bonding of triplex DNA, are often referred to as Hoogsteen positions are as

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#Question id: 28405

#Unit 5. Developmental Biology

BMP inhibitors secreted by the organizer that involve to inhibiting the expression of BMP at the dorsal side of the embryo, these organizers are____

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#Question id: 2136

#Unit 2. Cellular Organization

When a bacterium such as E. coli is shifted from a warmer growth temperature to a cooler growth temperature, it compensates by:

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#Question id: 18782

#Unit 13. Methods in Biology

The concentration of a small amount antibodies 2 μg antibody/ml can be detected