36. Which of the followings is not a protein? A) Enzyme B) Growth Hormone C) Ant

Question

36. Which of the followings is not a protein? A) Enzyme B) Growth Hormone C) Antibodies D) Sex hormones 32. In a typical cell cycle the phases in cerreet order are A)GI, G2, S phases and AM I B) G2, G1, S and M phases C) GI, S, G2 and M phases D) S, G1, G2 and M phases 37. A nucleic acid is a polymer of A) Glucose B) Amino acids C) Lipid D) Nucleotides for 33. In human being, mitosis is necessary A) growth and repair of tissues B) formation of gametes. C) maintaining the chromosome number in all body D) the death of unnecessary cells cells 38. A nucleic acid has Uracil in it. It is A) DNA B) RNA C) Starch D) Lipid E) both A and C are correct 34. The cell in the adjoining figure on the right is in state during mitosis. 39. Which of the following has a double helical structure? B) Metaphase C) Anaphase D) Telophase A) DNA B) RNA C) Protein D) Lipid 40. The base Guanosine (G) in DNA hydrogen base pair with A) A B)T C) C D) U ) Tayensonce B) Tertiary C) Secondary 35. What form/sequence of a protein has the most three dimensional structure? A) Primary D) all the above

Explanation / Answer

Ans. 1) The correct option is option C G1,S,G2 and M phase.

In G1 phase the metabolic changes prepare the cell for division.

In S phase DNA synthesis replicate the genetic material.

In G2 phase metabolic changes assemble the cytoplasmic materials necessary for mitosis and cytokines.

In M phase mitosis occurs and is followed by cell division.

Ans 2. The correct option is option A mitosis is necessary for growth and repair of tissues. Mitosis produces new new cellls and replace the old ones.

Ans 4. The tertiary sequence is the three dimensional structure with spatial arrangement of amino acids and polypeptides. Hence the correct option is option B

Ans 7. If the nucleic acid is uracil in it then it is RNA.

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