Practice Questions

TLS Online TPP Program

#Question id: 23881

Which of the following would not be true of cDNA produced using human brain tissue as the starting material?

#Unit 13. Methods in Biology

It could be amplified by the polymerase chain reaction.
It could be used to create a complete genomic library.
It is produced from mRNA using reverse transcriptase.
It could be used as a probe to detect genes expressed in the brain.

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TLS Online TPP Program

#Question id: 12153

#Unit 10. Ecological Principles

Which of the following is not a resource?

TLS Online TPP Program

#Question id: 2714

#Unit 2. Cellular Organization

HAT enzymes react with the side-chain of lysine to form the following structure. What effect will the HAT enzymes have on histones?

TLS Online TPP Program

#Question id: 5595

#Unit 5. Developmental Biology

A protein that can act as an anchor for cadherins or as a transcription factor-

TLS Online TPP Program

#Question id: 16117

#Unit 7. System Physiology – Animal

Thyroid hormones are thermogenic, their actions on target tissues result in heat production by following mechanisms:

i. stimulation of Na+-K+ ATPase

ii. increased O2 consumption

iii. increased metabolic rate

iv. increase in the number and activity of mitochondria

which of the following combinations are correct regarding heat production?

TLS Online TPP Program

#Question id: 12146

#Unit 10. Ecological Principles

Which of the following is not a density-dependent factor?