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TLS Online TPP Program

#Question id: 1460

One difference between cancer cells and normal cells is that cancer cells

#Unit 4. Cell Communication and Cell Signaling

  1. are unable to synthesize DNA.

  2. are arrested at the S phase of the cell cycle.

  3. continue to divide even when they are tightly packed together.

  4. cannot function properly because they are affected by density-dependent inhibition

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TLS Online TPP Program

#Question id: 33891

#Unit 2. Cellular Organization

Find true & false
A. The rate of genetic exchange at minisatellite sequences is10-4 per kb of DNA. 
B. Genetic exchange at minisatellite is greater than the rate of homologous recombination
C. Slower genetic exchange at minisatellite makes population heterozygous
TLS Online TPP Program

#Question id: 12753

#Unit 13. Methods in Biology

Property of CTAB to precipitate plant DNA is because of presence of --------- in the DNA?
TLS Online TPP Program

#Question id: 11647

#Unit 7. System Physiology – Animal

After menopause, hormone replacement therapy with estrogen-like compounds is effective in preventing the progression of osteoporosis. What is the mechanism of their protective effect?
TLS Online TPP Program

#Question id: 29003

#Unit 7. System Physiology – Animal

Parathyroid cell membrane contains___
TLS Online TPP Program

#Question id: 949

#Unit 1. Molecules and their Interaction Relevant to Biology

Nitric oxide is produced from which reaction?