An ideal α-helix has a pitch of 0.54 nm and a rise of 0.15 nm. What is the length along the helix axis for a segment of an ideal α-helix that contains 30 amino acids?

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#Question id: 22909

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Naturally acquired active immunity would be most likely acquired through which of the following processes? 

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#Question id: 22910

#Part-B Specialized Branches in Biotechnology

Which of the following antibodies is predominantly present in tears, saliva and mucous

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#Question id: 22911

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Antigen binding sites are present in

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#Question id: 22912

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Which enzyme is used to join together two different types of DNA molecules?

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#Question id: 22913

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Which of the following enzymes in bacteria are responsible for restricting the growth of viruses?

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#Question id: 22914

#Part-B Specialized Branches in Biotechnology

Excision and insertion of a gene is called