Which is not true about β-sheets? -triyambak.org

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#Question id: 678

Which is not true about β-sheets?

#1. Molecules and their Interaction Relevant to Biology

The side-chains of all amino acids point to the same side of the sheet.
The polypeptide chains in the sheet are nearly fully extended.
The range of allowed phi and psi angles is broader than for those in the α-helix.
In antiparallel sheets the hydrogen bonds between adjacent strands are nearly perpendicular to the backbones of the strands.

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In the Meselson-Stahl DNA replication experiment, what percent of the DNA was composed of one light strand and one heavy strand after one generation of growth in 14N containing growth media?

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#13. Methods in Biology

For the moderately symmetrical distribution of age of the employees, mean = 20 and mode = 25. The approximate value of the median is:

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#8. Inheritance Biology

What proportional of one round and two wrinkle seed if random selected 3 seed from various seed produced from monohybrid test cross?

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