Question # 1

Each tRNA has a sequence of three bases called anticodon which is complementary to codon of

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rRNA

tRNA

mRNA

snRNA

Unlike most proteins, histones are.

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Positively charges

Neutral

discharged

Negatively charged

The number of chromosomes in frog is

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52

26

13

7

Which of the following is a 'start' codon

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AUG

UAG

UAA

UGA

All the 64 codons were tested by

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Marshall Nirenberg

Philip Leader

Har Gobind Khorana

All a,b,and,c

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

A gene with initiation codon, which encodes the amino acid methionine is.

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UAA

UAG

AUG

UGG

Genetic code for the amino acid methionine is.

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AUC

UGC

CGC

AUG

A strand of DNA, which is not transcribed is called as.

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Template strand

Antisense strand

Lagging strand

coding strand

The stand which elongates towards the replication fork is.

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Leading

Lagging

Okazaki

Primer

Which of the following is a non sense codon.

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UGA

UGG

AUG

AUC

No of chromosomes in Honey bee are.

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6

20

32

40

In 1953 Watson and Crick proposed structure of the

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RNA molecule

ATP molecule

DNA molecule

NAD molecule

A combination of three nucleotides of DNA that specifies as amio acid is called.

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Cistron

Anticodon

Genetic code

Entron

Adenine and guanine are called

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Purines

Pyrmidines

Both a & b

None of these

Which strand of DNA is transcribed.

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coding strand

Sense strand

Antisense strand

Conservative strand

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