__________________is spontaneous hydrolytic reaction that involves cleavage of the N-glycosylic bond between N-9 of the purine bases A and G and C-1 of the deoxyribose sugar and hence loss of purine bases from the DNA.

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#Question id: 15778

#Unit 5. Developmental Biology

Stem cell regulation is highly influenced by the microenvironment that surrounds a stem cell and is known as the

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#Question id: 3873

#Unit 3. Fundamental Processes

The excision (splicing) of many group I introns requires, in addition to the primary transcript RNA:

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#Question id: 20538

#Unit 12. Applied Biology

Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them is considered as carcinogenic?

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#Question id: 1559

#Unit 4. Cell Communication and Cell Signaling

Which of cytokine is responsible for Class Switch IgM into IgE

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#Question id: 19840

#Unit 13. Methods in Biology

Match the following source of thermostable DNA polymerase with proofreading (3’−5’ exonuclease) activity;

DNA Polymerase	Sources
A- Tma	i) Pyrococcus furiosus
B- Deep VentTM	ii) Pyrococcus woesi
C- Tli	iii)  Thermotoga maritima
D- Pfu	iv) Pyrococcus sp.
E- Pwo	v) Thermococcus litoralis