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: 13053

#SCPH06 I Botany

What would the generally expected effect on the PCR reaction be of adjustments that increase the temperature of the annealing phase and the length of the elongation phase?

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#Question id: 1427

#SCPH28 | Zoology

 In females, all the cells in a tumor have the same inactive X chromosome. The reason for this is that:

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#Question id: 930

#SCPH05 I Biotechnology

Ketone bodies are formed in the liver and transported to the extrahepatic tissues mainly as:

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#Question id: 12942

#SCPH28 | Zoology

Name a single - stranded uracil containing vector which is grown in a selectable host deficit of the enzymes.

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#Question id: 9152

#SCPH06 I Botany

In mountainous areas of western North America, north-facing slopes would be expected to ________.