HARD
12th CBSE
IMPORTANT
Earn 100

Draw a schematic representation of the structure of the transcription unit and show the following in it.
(i) Direction in which the transcription occurs.
(ii) Polarity of the strands involved.
(iii) Template strand.
(iv) Terminator.

Important Questions on Molecular Basis of Inheritance

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 6 - Molecular Basis of Inheritance>TEST QUESTIONS>Q 4
Mention the function of the promoter gene in transcription.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 6 - Molecular Basis of Inheritance>TEST QUESTIONS>Q 5
In the human genome, which one of the chromosomes have more gene and which one has the few genes?
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 6 - Molecular Basis of Inheritance>TEST QUESTIONS>Q 5
Scientists have identified about 1.4 million single nucleotide polymorphs in the human genome. How is the information of their existence going to help the scientists?
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 6 - Molecular Basis of Inheritance>TEST QUESTIONS>Q 6
Identify the polarity from a to a' in the diagram and mention how many more amino acid is expected to be added to this polypeptide chain.
1 (4).PNG
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 6 - Molecular Basis of Inheritance>TEST QUESTIONS>Q 6

1 (4).PNG

Mention the DNA sequence coding for serine and anticodon of tRNA for the same amino acid.

HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 6 - Molecular Basis of Inheritance>TEST QUESTIONS>Q 6
Why is some untranslated sequence of bases seen in an mRNA coding for polypeptide? Where exactly are they present on mRNA?
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 6 - Molecular Basis of Inheritance>TEST QUESTIONS>Q 7
In a series of experiments with Streptococcus and mice, F. Griffith concluded that R-strain bacteria had been transformed. Explain.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 6 - Molecular Basis of Inheritance>TEST QUESTIONS>Q 8
Describe the initiation process of transcription in bacteria.