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: 37

#I Life Science/ Life Sciences Group – I-V

Which one of the following has the cellular components arranged in order of their increasing size?

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#Question id: 551

#SCPH06 I Botany

Enzymes differ from other catalysts in that only enzymes:

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#Question id: 11194

#I Life Science/ Life Sciences Group – I-V

The "threshold" potential of a membrane is the ________.

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#Question id: 9229

#SCPH28 | Zoology

Which of the following is a generally accurate statement about the current research regarding forest fragmentation?

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#Question id: 12671

#SCPH06 I Botany

When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,