Practice Questions

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#Question id: 24185

In Moby Dick, Herman Melville wrote that the whale men were “enveloped in whale lines,” that each man relied on the others during moments of danger.

#General Aptitude

The small boats that pursued the whales left the whaling ship far behind; each man in a boat had to depend on the others to stay alive.
Once the whale was harpooned, the whale line unraveled so fast that water had to be poured on it to keep it from smoking.
The whale line was the rope, dozens of yards long, that attached to the harpoon; it was raveled under the seats of all the men metaphorically connecting each man to the next.
One wrong move and the line would snap a man right out of the boat; thus, his life depended on whether the crew would cut the whale loose to save him, or leave him in the ocean during the heat of the hunt.

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#Question id: 19884

#Unit 13. Methods in Biology

The first successful transformation of rDNA molecules into a bacterium was carried out by

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#Question id: 19885

#Unit 13. Methods in Biology

The plasmid used by Cohen and Boyer fr their transformation experiment was

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#Question id: 19886

#Unit 13. Methods in Biology

Gene cloning refers to the

I) Production of large number of copies of the gene being cloned

II) Production of asexual progeny from a single individual or a cell

III) Mechanism of intake of DNA fragments from the surrounding medium by a cell

TLS Online TPP Program

#Question id: 19887

#Unit 13. Methods in Biology

Paul Berg’s gene splicing experiment created the first rDNA molecules which was a

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#Question id: 19888

#Unit 13. Methods in Biology

There are some typical enzyme used in the manipulation of nucleic acid;

ENZYMES

USE IN NUCLEIC ACID MANIPULATION

A) klenow

i) DNA-dependent RNA polymerase

B) T4 DNA polymerase

ii) Single-strand specific nuclease

C) Taq DNA polymerase

iii) DNA pol I lacks 5’→ 3’ exonuclease activity

D) T7 RNA polymerase

iv) Thermostable DNA polymerase used in PCR

E) S1 nuclease

v) Lack 5’→ 3’ exonuclease activity

TLS Online TPP Program

#Question id: 19889

#Unit 12. Applied Biology

The genetic monitoring and disease diagnosis are examples for ______________________ sensor?