Carbohydrate
What is the consensus N-glycosylation site in a protein sequence?

Asn-Xaa-(Ser or Thr)
(Ser or Thr)-Asn-Ala
None of these
Thr-(Asn or Gln)-Ala

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Carbohydrate
The multistep pathways of metabolism are efficient because they

use the same enzyme for all of the substrates in the pathway
spread the enzymes for a pathway into several different organelles
locate all of the enzymes for a pathway in the same place within the cell
use the same substrate for all of the enzymes in the pathway

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