Question # 1

³²P and ³⁵S labeled viruses were used in his experiments by

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Watson & Crick

Hershey & Chase

Wilkins & Franklin

Correns & Bridge

The number of chromosomes in frog is

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52

26

13

7

A chromosome with equal length of its arms.

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Acrocentric

Metacentric

sub meta centric

Telocentric

DNA was discovered in

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1869

1864

1961

1972

Chromosomes appear inside the nucleus at the time of.

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Cell division

Cell maturation

Cell elongation

Cell differentiation

Walter Fleming first discovered chromosomes in the dividing cells of.

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Frog larvae

Sea urchin larvae

Insect larvae

Salamander larvae

Okazaki fragments are about 1000 - 2000 nucleotides long in

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Prokaryotes

Eukaryotes

Both a & b

None of these

RNA polymerase II synthesize.

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mRNA

tRNA

rRNA

cDNA

In sickle cell anemia disease, a single thymine is replaced with an adenine in the DNA that codes for.

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Valine

Glycine

Histidine

Glutamic acid

Which strand of DNA is transcribed.

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coding strand

Sense strand

Antisense strand

Conservative strand

Human cells contain types of tRNA molecules.

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20

45

195

300

How many million nucleotides are in DNA of typical human chromosome

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140

160

180

200

The base pairs in human genome are.

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Two billion

Three billion

Four billion

Five billion

In 1882, chromosomes were first observed by.

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John Brown

T.H.Morgan

Walter fleming

Walther sutton

Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.

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Transcription

Replication

Translation

Transformation

Chromosomal theory of inheritance was first formulated by.

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Karl Correns

T.H.Morgan

W. Sutton

Carvin Bridges

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