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: 11940

#XL - T Zoology

Which of the following is filtered most readily by the glomerular capillaries?

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#Question id: 11941

#XL - T Zoology

Under conditions of normal renal function, which of the following is true of the concentration of urea in tubular fluid at the end of the proximal tubule?

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#Question id: 11972

#XL - T Zoology

The active ingredient orlistat acts to decrease the amount of fat that is absorbed by attaching to enzymes that digest fat. Which of the following are potential targets of orlistat?

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#Question id: 11973

#XL - T Zoology

The digestion of ________ begins in the stomach.

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#Question id: 12010

#XL - T Zoology

Precursor to the northern group of continents

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#Question id: 12021

#XL - T Zoology

Nutrient-rich blood from the intestine is carried through the ________ to the liver.