Practice Questions

TLS Online TPP Program

#Question id: 4476

Regulatory elements include promoter proximal elements, upstream activator sequences (UASs), enhancers, and a series of other element

#Unit 3. Fundamental Processes

Can be located many tens or even hundreds of kilobases from the core promoters on which they act
Which help transcription from the core promoter
Which hinders transcription from the core promoter
A, B and C

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TLS Online TPP Program

#Question id: 20294

#Unit 7. System Physiology – Animal

The rate-limiting step during the synthesis of all steroid hormones is done by which enzyme?

TLS Online TPP Program

#Question id: 28449

#Unit 5. Developmental Biology

In C. elegans during embryogenesis, an anchor cell and 6 hypodermal vulval precursor cells (VPCs) get involved in forming the vulva. Which of the following statement is incorrect about VPCs?

TLS Online TPP Program

#Question id: 33912

#Unit 2. Cellular Organization

A. When a DNA molecule is negatively supercoiled, it is underwound.

B. Any structural change involving DNA strand separation becomes more likely in negatively supercoiled DNA.

C. Negative supercoiling makes establishment of left-handed Z-DNA in a segment of DNA

D. The formation of plectonemic or solenoidal supercoils is favored as a means of negative supercoiling.

Find true and false

TLS Online TPP Program

#Question id: 13175

#Unit 10. Ecological Principles

Which of the following biomes is characterized by a wet, mild winter and a warm, dry summer?