Which of the following is not a pyrimidine ${\mathrm{N}}_2$ base -

Important Questions on Molecular Basis of Inheritance

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 25

The purine $\&$ pyrimidine pairs of complementary strands of $\mathrm{DNA}$ are held together by -

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 26

Number of $\mathrm{H}$ - bonds between guanine and cytosine are -

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 27

Which purine $\&$ pyrimidine bases are paired together by $\mathrm{H}$ - bonds in $\mathrm{DNA}$-

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 28

What is the nature of the $2$ strands of a $\mathrm{DNA}$ duplex :-

MEDIUM

NEET

IMPORTANT

Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 29

On average, how many purine N₂ bases are present in a single coil of DNA?

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 30

Distance between two nucleotide pairs of $\mathrm{DNA}$ is -

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 31

In a double strand $\mathrm{DNA}$ amount of Guanine is $35\%$ then what will be the amount of cytosine?

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Biology>Chapter 28 - Molecular Basis of Inheritance>EXERCISE- I (Conceptual Questions)>Q 32

Chargaff's rule is given as -