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Match the following columns and select the correct option.

a. UAG (i) Codes for amino acid Tryptophan
b. AUG (ii) Start codon
c. UUU (iii) Codes for phenylalanine
d. UGG (iv) Nonsense codon

 

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Important Questions on Molecular Basis of Inheritance

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Gamma Question Bank for Medical Biology>Chapter 28 - Molecular Basis of Inheritance>Assignment>Q 23
Select the correct statement(s) about lac operon.
a. Glucose or galactose act as inducers for the expression of the lac operon.
b. In the presence of lactose, the repressor protein binds with the lactose molecules.
c. It is an example of a repressible operon system.
d. Its regulation by repressor protein is called positive regulation.
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Gamma Question Bank for Medical Biology>Chapter 28 - Molecular Basis of Inheritance>Assignment>Q 24
The genes in eukaryotes are said to be split as
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Gamma Question Bank for Medical Biology>Chapter 28 - Molecular Basis of Inheritance>Assignment>Q 25
Select the true statement(s) for AUG.
A. It codes for an amino acid methionine
B. It is an initiation codon
C. It is a non-degenerate codon
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Gamma Question Bank for Medical Biology>Chapter 28 - Molecular Basis of Inheritance>Assignment>Q 26
Mark the wrong statement. 
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Gamma Question Bank for Medical Biology>Chapter 28 - Molecular Basis of Inheritance>Assignment>Q 27
In prokaryotic translation, the formation of peptide bond between two amino acids is catalysed by a
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Gamma Question Bank for Medical Biology>Chapter 28 - Molecular Basis of Inheritance>Assignment>Q 28
The experimental proof for semiconservative mode of DNA replication was first shown in a bacterium, by
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Gamma Question Bank for Medical Biology>Chapter 28 - Molecular Basis of Inheritance>Assignment>Q 29
Heterochromatin is
(a) Darkly stained region
(b) Loosely packed chromatin
(c) Transcriptionally inactive 
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Gamma Question Bank for Medical Biology>Chapter 28 - Molecular Basis of Inheritance>Assignment>Q 30

Select true (T) or false (F) for the following statements and choose the correct option.

A. QB bacteriophage has RNA as genetic material.

B. Free 2'OH of RNA makes it more labile and easily degradable.

C. The experiment of Hershey and Chase gave unequivocal proof that DNA is the genetic material.