Hershey and Chase experiment with bacteriophage showed that ______.

(a)

Protein gets into the bacterial cells

(b)

DNA is the genetic material

(c)

DNA contains radioactive sulphur

(d)

Viruses undergo transformation

DNA and RNA are similar with respect to _____.

(a)

Thymine as a nitrogen base

(b)

A single-stranded helix shape

(c)

Nucleotide containing sugars, nitrogen bases and phosphates

(d)

The same sequence of nucleotides for the amino acid phenyl alanine

What is the basis for the difference in the synthesis of the leading and lagging strand of DNA molecules?

(a)

Origin of replication occurs only at the 5' end of the molecules

(b)

DNA ligase works only in the 3' → 5' direction

(c)

DNA polymerase can join new nucleotides only to the 3' end of the growing stand.

(d)

Helicases and single-strand binding proteins that work at the 5' end

Chromosomes were first observed by ________.

(a)

Miescher

(b)

Hofmeister

(c)

Avery

(d)

Griffith

The term nucleic acid was coined by ________.

(a)

Miescher

(b)

Hofmeister

(c)

Altman

(d)

Mcleod

Griffith's experiments proved that _________.

(a)

RNA is involved in protein synthesis

(b)

Bacteria undergoes asexual reproduction

(c)

DNA is the genetic material

(d)

DNA is made of two strands

The experiment conducted by Griffith was based on_________.

(a)

Transduction

(b)

Replication

(c)

Transformation

(d)

Conjucation

Human Genome was sequenced in ________.

(a)

1979

(b)

2015

(c)

1989

(d)

2001

___________ used radioactive labelled molecules to prove that DNA is the genetic material.

(a)

Hershey and Chase

(b)

Wilkins and Franklin

(c)

Griffith

(d)

Mcleod and Avery

One difference between deoxyribose and Ribose is due to________.

(a)

One Oxygen atom more in Ribose

(b)

Two Oxygen atoms less in Deoxyribose

(c)

Two Carbon atoms less in Ribose

(d)

Four Carbon atoms more in Ribose

Retroviruses possess __________ as genetic material.

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RNA

Goldberg - Hogness box of eukaryotes is equivalent to__________ of prokaryotes.

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Pribnow box

Approximate count of base pair in human genome is _________

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3 x 10⁹ b_p

Specific sequences of mRNA that are not translated are _____________

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UnTranslated Regions (UTR)

_____________ is the monomer of DNA.

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Nucleotide

PCR

(1)

GTP

SNPs

(2)

DNA amplification

Lac Operon

(3)

Polycistronic gene

VNTR

(4)

Snips

Initiation complex

(5)

Genetic markers