Practice Questions

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#Question id: 13106

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.)
You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

Why is it that some people only have one band?

#SCPH06 I Botany

They are homozygotes for the allele that can be cut.
They are homozygotes for the allele that cannot be cut.
They are heterozygotes, and possess one allele that can be cut and one allele that cannot be cut.
The more repeats you have, the longer your DNA fragment.

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TLS Online TPP Program

#Question id: 19349

#SCPH01 Biochemistry

An example of promoter that can respond to anaerobic condition is

TLS Online TPP Program

#Question id: 19301

#SCPH01 Biochemistry

Transgenic plants are also aimed at producing novel biochemicals like

3. Immunoglobulins

4. Nutraceuticals

Which among the following is correct combination?

TLS Online TPP Program

#Question id: 12580

#SCPH06 I Botany

When levels of CO2 are experimentally increased, C3 plants generally respond with a greater increase in productivity than C4 plants. This is because

TLS Online TPP Program

#Question id: 18636

#I Life Science/ Life Sciences Group – I-V

Number of rooted trees in a phylogeny of three sequences is –

TLS Online TPP Program

#Question id: 444

#SCPH05 I Biotechnology

Which of the following is not a factor contributing to the large free energy of hydrolysis of ATP?