Myosins have 

Motor head domain

Lever-arm neck domain

Cargo-binding tail domain

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#Id: 7041

#Unit 11. Evolution and Behavior

 Natural selection was Darwin’s brilliant hypothesis, independently conceived by Wallace, that accounts for adaptations, features that appear “designed” to fit organisms to their environment.

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#Id: 3646

#Unit 3. Fundamental Processes

All Class I enzymes aminoacylate their bound tRNA’s 3′-terminal 2′-OH group, whereas Class II enzymes charge the 3′-OH group.

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#Id: 876

#Unit 13. Methods in Biology

FRET is possible only when the distance between donor and acceptor are within 1 to 10 Å

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#Id: 7999

#Unit 10. Ecological Principles

The range of abiotic and biotic conditions under which a species persists is its realized niche. 

The realized niche determines the geographic range of a species or of various populations that compose a species.

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#Id: 6423

#Unit 8. Inheritance Biology

Autosomal dominant 

Traits appear in both sexes with equal frequency.

Both sexes are capable of transmitting these traits to their offspring.

An affected person has an affected parent (unless the person carries new mutations). 

The trait does not skip generations.

Unaffected people do not transmit the trait. 

Example- familial hypercholesterolemia, Huntington disease, Neurofibromatosis