Determining the length of a keratin molecule the central rod domain of a keratin protein is approximately 312 residues in length. what is the length (in å) of the keratin rod domain? if this same peptide segment were a true a-helix, how long would it be? if the same segment were a b-sheet, what would its length be?

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

answer; ///(statins)/aka as hmg coa

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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the animal that would be cutest if scaled down to the size of a cat? elephant