DNA methylation occurs at cytosines of CpG islands, leads to repression of the promoters. DNA hypermethylation & DNA hypomethylation is also a hallmark of cancer.

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#Id: 3371

#Unit 3. Fundamental Processes

Structural studies show that the active site of DNA Pol h is better at accommodating a thymine dimer than is the active site of another translesion DNA polymerase (DNA Pol k

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#Id: 3683

#Unit 2. Cellular Organization

There are 6000 genes in yeast; 21,700 in a nematode worm; 17,000 in a fly; 25,000 in the small plant Arabidopsis; and probably 20,000 to 25,000 in mice and humans

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#Id: 4708

#Unit 13. Methods in Biology

Molecular (sub-)structures responsible for interaction with electromagnetic radiation are called chromophores. 

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#Id: 6615

#Unit 7. System Physiology – Animal

The first 14 days of the menstrual cycle involve follicular development (follicular phase).

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#Id: 6408

#Unit 2. Cellular Organization

Dual hairpin formation take place due to ribosome fall from UGA