Class XII · Biology practice

Molecular Basis of Inheritance MCQs

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668 questions in this collection · Page 42 of 67

Question 411 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

The RNA polymerase II transcribes _______ RNA.
Pol II makes mRNA (hnRNA).
Question 412 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

The RNA polymerase III transcribes _______ RNA.
Pol III makes tRNA.
Question 413 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

The process of removing introns is called _______
Splicing removes introns.
Question 414 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

Methyl guanosine triphosphate is added to the _______ end of hnRNA.
The 5' cap is methyl guanosine triphosphate.
Question 415 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

Poly A tail is added to the _______ end of hnRNA.
Poly A tail is on the 3' end.
Question 416 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

The codon is a _______ of bases.
The codon is a triplet.
Question 417 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

AUG codes for _______
AUG codes for Methionine.
Question 418 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

UAA, UAG, and UGA are _______ codons.
They are stop codons.
Question 419 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

The genetic code is _______, meaning one codon codes for only one amino acid.
Unambiguous means one codon = one AA.
Question 420 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

Some amino acids are coded by more than one codon, hence the code is _______
Degeneracy means multiple codons = one AA.
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