More than 350 different type II endonucleases with over 100 different recognition sequences are known.

TLS Online TPP Program

#Id: 1674

#Unit 4. Cell Communication and Cell Signaling

Recombinant Vector Vaccines Recombinant vectors maintain the advantages of live attenuated vaccines while avoiding this major disadvantage. Recombinant vector- Covishield vaccine, Ebola (in clinical testing)

TLS Online TPP Program

#Id: 7836

#Unit 1. Molecules and their Interaction Relevant to Biology

A carbon atom with four different substituents is said to be asymmetric, and asymmetric carbons are called chiral centers

Chiral carbon most distant from the carbonyl carbon has the same configuration as the chiral carbon in D-glyceraldehyde.

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#Id: 679

#Unit 3. Fundamental Processes

EST proteins regulates number of repeats in RNA component for telomere lengths.

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#Id: 5723

#Unit 10. Ecological Principles

Species-Time Hypothesis 

Communities diversify, that is, gain species, with time

Temperate regions are less species-rich than tropical regions because they are younger and have only more recently recovered from glaciations and severe climatic disruption

TLS Online TPP Program

#Id: 3987

#Unit 7. System Physiology – Animal

Phase 0 (depolarization), fast sodium channels open.