Practice Questions

TLS Online TPP Program

#Question id: 5200

What is the difference between a linkage map and a physical map?

#Unit 11. Evolution and Behavior

For a linkage map, markers are spaced by recombination frequency, whereas for a physical map they are spaced by numbers of base pairs (bp).
For a physical map, the ATCG order and sequence must be achieved, but not for the linkage map.
For a linkage map, it is shown how each gene is linked to every other gene.
For a physical map, the distances must be calculable in units such as nanometers.

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TLS Online TPP Program

#Question id: 3885

#Unit 3. Fundamental Processes

AZT (3'-azido-2',3'-dideoxythymidine), used to treat HIV infection, acts in HIV-infected cells by:

TLS Online TPP Program

#Question id: 18088

#Unit 13. Methods in Biology

If a coin is tossed 5 times, then consider the following statements:

I: Probability of getting exactly 2 heads is 5/16.

II: Probability of getting at least 4 heads is 3/16.

III: Probability of getting at most 2 heads is 5/8.

Which one of the following is correct in respect of the above statements

TLS Online TPP Program

#Question id: 9053

#Unit 9. Diversity of Life Forms

Which of the following might be an investigation of microclimate?

TLS Online TPP Program

#Question id: 11142

#Unit 7. System Physiology – Animal

A researcher uses the chemical inhibitor cyanide to reduce ATP production in a neuron. What would be one effect of preventing ATP production?

TLS Online TPP Program

#Question id: 17221

#Unit 7. System Physiology – Animal

What is good stress called?