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Earn 100

Taylor and his colleagues proved the semi-conservative model of replication by performing experiments on ........(a)........... using .........(b).........
(a)
(a) | (b) |
Bacteriophage | radioactive thymidine |
(b)
(a) | (b) |
E. coli | radioactive nitrogen |
(c)
(a) | (b) |
Vicia faba | radioactive thymidine |
(d)
(a) | (b) |
E. coli | heavy nitrogen |

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Important Questions on Molecular Basis of Inheritance
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No. of arms present in chromosome where the centromere is terminal.
Total No. of histone proteins present inside the nucleosome
No. of histone proteins help to seal the near the core
No. of proteins in a nucleosome

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Assertion Between and , is a better genetic material.
Reason group present in every nucleotide in is a reactive group and make labile and easily degradable.
The correct answer is:

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: Composition of cell membrane of Erythrocyte
: No. of strands present in peripheral fibril of centriole
: No. of nucleotides in a typical nucleosome
protein, Lipids
protein, Lipids
Phosphoglycolipids
Select the option that correctly matches respectively with .

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Secondary metabolites do not have identifiable physiological processes in plants, fungal and microbial cells
Bio macromolecules are acid insoluble organic compounds with mol wt more than daltons
Uridylic acid and cytidylic acids are derived from uracil and cytosine by esterification
Lecithin and lectin are phospholipids found in cell membrane

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