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Doctors Medicines MCQs Q&A

Which of the following statements regarding cyclin-dependent protein kinase is not correct?

Which of the following statements regarding cyclin-dependent protein kinase is not correct? Correct Answer Their activity fluctuates during cell cycle

They remain constant throughout cell cycle.

Related Questions

A signaling cascade is illustrated by protein kinase protein kinase protein kinase and MAP. What purpose does this cascade serve?
Phytase, an enzyme produced by Aspergillus niger can be adsorbed on microcrystalline cellulose powder (MCCP). The adsorption follows a Langmuir isotherm and the maximum concentration of the protein that can be obtained on the adsorbent is 70 mg cm-1. At a concentration of 50 mg L-1 of protein in the solution, the concentration of protein on the adsorbent reaches 35 mg cm-1. It is desired to recover 90% of the protein from 1.5 liter of the cell free culture filtrate containing 220 mg L-1 protein by addition of MCCP to the solution. The concentration of the protein adsorbed on the solid at equilibrium will be:
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statements : About 50 per cent of the animal by-products - hair, skin, horns etc. is edible protein. American chemists have developed a method of isolating 45 per cent of this protein. They used an enzyme developed in Japan to break down soya protein.

Conclusions :
I. Americans have not been able to develop enzymes.
II. Animal by-products protein has the same composition as soya protein.
Of all the receptors in Receptor Tyrosine Kinase family, the tyrosine kinase domain is the most strongly conserved sequence.
Serine kinase receptor has several features in common with tyrosine kinase receptor.
Consider the following proteins: I. Chromo Protein  II. Peptone  III. Proteinase  Considering that there are three types of proteins namely Simple Protein, Conjugated Protein, and Derived Protein, which among the above is the odd one out with respect to the types mentioned above?
Protein A will fold into its native state only when protein B is also present in the solution. However, protein B can fold itself into native confirmation without the presence of protein A. Which of the following is true?
Protein’s solubility depends on the relative balance between protein-solvent and protein-protein interactions.
With reference to human nutrition consider the following statements (a) Banana is a richer source of carbohydrates than apples (b) Banana contains some amount of protein also (c) Spinach has no protein at all (d) Potatoes are rich sources of protein than peas Which of the following statement is/are correct?
Consider the following statements Enzymes and proteins can be correlated with each other in the following ways.
1. All proteins are enzyme.
2. All enzymes are protein.
3. All enzymes are not protein.
4. All proteins are not enzyme.
Which of the statements given above is/are correct?