From four corners of a square sheet of side 4 cm, four pieces,each in the shape of arc of a circle with radius 2 cm, are cut out.The area of the remaining portion is :

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#Question id: 28035

#Unit 1. Molecules and their Interaction Relevant to Biology

Intrinsically disordered proteins  

a. Have hydrophobic core

b. High densities of charged amino acid residues 

c. Pro residues are also prominent

d. Generally promiscus in nature

e. lack a hydrophobic core

Which of the following is correct 

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#Question id: 11562

#Unit 7. System Physiology – Animal

The relationship between the insect hormones ecdysteroid and PTTH is an example of ________.

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#Question id: 5432

#Unit 8. Inheritance Biology

which of the following are not feature of polygenic inheritance ?

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#Question id: 11165

#Unit 2. Cellular Organization

Membrane lipids in tissue samples obtained from different parts of a reindeer’s leg have different fatty acid compositions. Membrane lipids from tissue near the hooves contain a larger proportion of unsaturated fatty acids than those from tissue in the upper leg. What is the significance of this observation?

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#Question id: 5073

#Unit 5. Developmental Biology

The emergence of the polarity of an embryo is the result of: