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Atomic radii: The atomic radii of an atom depends on its position in the periodic table.
We can never determine the atomic radius of an atom because there is never a zero probability of finding an electron, and thus never a distinct boundary to the atom.
All that we can measure is the distance between two nuclei (internuclear distance).

#Unit 1. Molecules and their Interaction Relevant to Biology #Structure of atoms #Part B Pointers
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TLS Online TPP Program

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#Unit 2. Cellular Organization

Plakins 
Proteins that linked intermediate filament network to the rest of the cytoskeleton. 
Eg: Plectin

TLS Online TPP Program

#Id: 368

#Unit 2. Cellular Organization

Supercoiling is related to two properties of genome
1. Packaging 
2. Linking number

TLS Online TPP Program

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#Unit 2. Cellular Organization

DNA Packaging or genome packaging is expressed in terms of Packaging Ratio=Original size/packed size  

TLS Online TPP Program

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#Unit 2. Cellular Organization

Linking number is topological property which is expressed as  Total No. of Base Pair/Base pair per turn.

TLS Online TPP Program

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#Unit 2. Cellular Organization

How to calculate linking number?


TLS Online TPP Program

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#Unit 2. Cellular Organization

If Lk <Lk0 and DLk is <0 means negative, then the DNA is said to be “negatively supercoiled.”

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