Molecular Basis of Inheritance Questions

DNA strands show polarity because:

How many base pairs are present per turn of DNA helix?

Why did the mouse die when live R strain was injected along with heat-killed S strain?

In prokaryotes:

The Double Helix model of DNA was proposed by:

The smooth (S) strain of *Streptococcus pneumoniae* forms smooth colonies because:

Base pairing gives DNA:

Griffith observed that:

DNA nucleotides consist of:

DNA contains which of the following bases?

In DNA, guanine pairs with cytosine through:

Nitrogen bases include:

Sugar-phosphate backbone is:

The two chains of DNA are:

In RNA every nucleotide has an additional:

Chargaff’s rule states:

DNA was first identified as acidic substance by:

Purines:

Two nucleotides are linked together by:

A nitrogenous base is linked to pentose sugar by:

DNA length is defined as:

Distance between two adjacent base pairs in DNA helix:

Match the following:

Nitrogenous bases are linked to pentose sugar by:

RNA was the first:

Distance between two successive base pairs is:

Identify I, II, III in the image:

DNA and RNA differ in:

Even though DNA & Mendel were discovered around same time, DNA took long to be accepted as genetic material because:

Transforming principle refers to:

The nucleosome model explains:

In prokaryotes DNA is:

Histones in eukaryotes are rich in:

In some viruses the flow of genetic information is:

Histones are:

Length of DNA in mammalian cell is approximately:

The “beads-on-string” structure represents:

Match the following: Nucleosome – Non-histone proteins – Euchromatin – Heterochromatin –

Euchromatin is:

A nucleosome contains:

Negatively charged DNA wraps around:

Two nucleotides are linked together by:

Transforming principle was demonstrated by:

Central Dogma was proposed by:

The pitch of the DNA helix is:

DNA is: