Question # 1

Innate behavior is all except;

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Coded in DNA

Modified in individuals life span

Modified with species evolution

Programmed responses to external stimuli

The number of nucleotides in the DNA of a typical human chromosome is about

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10 Million

40 million

80 million

140 million

V-shaped chromosomes are called.

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Acrocentric

Metacentric

Telocentric

submetacentric

DNA was discovered in

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1869

1864

1961

1972

In 1953, F . Sanger described the sequence of amino acids of.

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Myoglobin

Insulin

Keratin

Globulin

Origin site of replication is one in

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Prokaryotes

Eukaryotes

None of these

Both a & b

All the 64 codons were tested by

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Marshall Nirenberg

Philip Leader

Har Gobind Khorana

All a,b,and,c

Which strand of DNA is transcribed.

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coding strand

Sense strand

Antisense strand

Conservative strand

In the double helix of DNA adenine forms two hydrogen bonds with

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Thymine

Guanine

Cytosine

Uracil

Chromosomal part which uncoils, during inter phase is called.

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Chromatids

Satellite DNA

Euchromatin

Heterochromatin

The copping of mRNA from DNA is called.

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Translation

Transduction

Transcription

Transformation

Repeating units of DNA are called.

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Histones

Nucleosides

Nucleotides

Amino acids

The genetic code for glycine is.

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UAG

GAU

GUA

GGU

Every 200 nucleotides the DNA duplex is coiled around a core of eight histone proteins forming a complex known as a

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Histomone

Nucleosome

Peroxisome

Glyoxisome

Okazaki fragments are about 1000 - 2000 nucleotides long in

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Prokaryotes

Eukaryotes

Both a & b

None of these

Walter Fleming first discovered chromosomes in the dividing cells of.

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Frog larvae

Sea urchin larvae

Insect larvae

Salamander larvae

The number of chromosomes in frog is

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52

26

13

7

The stand which elongates towards the replication fork is.

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Leading

Lagging

Okazaki

Primer

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