Practice Questions

TLS Online TPP Program

#Question id: 2709

Which, if any, of the following statements are false?

#Unit 2. Cellular Organization

The broadest definition of a pseudogene is any gene that has received inactivating mutations and can no longer make a functional product.
A retropseudogene is a non-functional cDNA copy of a processed RNA that has integrated elsewhere into the genome.
A non-processed pseudogene is an inactive copy of a gene that has arisen by some type of gene duplication.
An estimated 14,000 pseudogenes are found in the human genome.

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TLS Online TPP Program

#Question id: 19360

#Unit 13. Methods in Biology

What does the M13 fragment in a phagemid contain?

TLS Online TPP Program

#Question id: 18615

#Unit 13. Methods in Biology

PCR efficiency is influenced by several factors, the efficiency declines due to

a) efficiency of amplification declines with an increase in the length of the target sequence.

b) Efficiency of PCR is affected by primer length; it declines if the primers used for PCR arc too long.

c) a temperature higher than the ideal annealing temperature reduces PCR efficiency.

d) primers used for PCR have complementary regions, dimers will be formed, and PCR efficiency will decline.

TLS Online TPP Program

#Question id: 18622

#Unit 13. Methods in Biology

Variants of PCR has been devised for mutational analysis

b) Site directed mutagenesis

c) Overlap extension PCR

d) Mega primer PCR

TLS Online TPP Program

#Question id: 34126

#Unit 7. System Physiology – Animal

Which of the following mitochondrial enzyme, known as P450c17?

TLS Online TPP Program

#Question id: 23832

#Unit 2. Cellular Organization

How many head domains are present in myosin I?