Which one of following statements about particular entity is true ?

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5.Molecular Basis of Inheritance

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Which one of the following statements about the particular entity is true ?

Centromere is found in animal cells, which produces aster during cell division.

The gene for producing insulin is present in every body cell.

Nucleosome is formed of nucleotides.

$DNA$ consists of core of eight histones.

(AIPMT-2010)

Solution

(b) : Insulin gene is found in every body cell but is not expressed in all cells. It is nucleosome which consists of a core of eight histones. $DNA$ is composed of nucleotides. Centriole is found in animal cells, which produces aster during cell division.

Standard 12

Biology

Read the following statements:

$A.$ Variation at genetic level arises due to mutations.
$B.$ Technique of $DNA$ fingerprinting was initially developed by Alec Jeffreys

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$A$ : Polypeptide sequences are dictated by $DNA$ and represented by $mRNA$.
$R$ : Sequence of amino acids in a polypeptide can be predicted by the exact sequence of nucleotides on the $mRNA$ and template $DNA$

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Give scientific reasons : It is essential that $ tRNA$ binds to both amino acids and $mRNA$ codon during
protein synthesis.

easy

At what level gene expression does not occur ?

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Which one of the following is wrongly matched?

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(NEET-2014)

Which one of the following statements about the particular entity is true ?

Solution

Similar Questions

Read the following statements: $A.$ Variation at genetic level arises due to mutations. $B.$ Technique of $DNA$ fingerprinting was initially developed by Alec Jeffreys

$A$ : Polypeptide sequences are dictated by $DNA$ and represented by $mRNA$. $R$ : Sequence of amino acids in a polypeptide can be predicted by the exact sequence of nucleotides on the $mRNA$ and template $DNA$

Give scientific reasons : It is essential that $ tRNA$ binds to both amino acids and $mRNA$ codon during protein synthesis.

At what level gene expression does not occur ?

Which one of the following is wrongly matched?

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Read the following statements:

$A.$ Variation at genetic level arises due to mutations.
$B.$ Technique of $DNA$ fingerprinting was initially developed by Alec Jeffreys

$A$ : Polypeptide sequences are dictated by $DNA$ and represented by $mRNA$.
$R$ : Sequence of amino acids in a polypeptide can be predicted by the exact sequence of nucleotides on the $mRNA$ and template $DNA$

Give scientific reasons : It is essential that $ tRNA$ binds to both amino acids and $mRNA$ codon during
protein synthesis.