During protein chain initiation, what is the initial N-terminal amino acid in all a) prokaryotic proteins and b) eukaryotic proteins?
During protein chain initiation, what is the initial N-terminal amino acid in all a) prokaryotic proteins and b) eukaryotic proteins?
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Question 1
During which stage of translation does translocation usually occur in mammalian cells?
| a. | Initiation | |
| b. | Elongation | |
| c. | Termination | |
| d. | Binding |
Question 2
The attachment of lipids to proteins usually allows the proteins to be anchored at the Endoplasmic Reticulum
True
False
Question 3
N-linked glycosylation attaches a complex carbohydrate onto the
| a. | amino group of asparagine | |
| b. | free amino group at the amino terminal end of the polypeptide | |
| c. | hydroxyl group of serine | |
| d. | amino group of lysine |
Question 4
Most glycoproteins in eukaryotic cells are destined for incorporation into the nuclear membrane
True
False
Question 5
In a major protein degradation pathway in the cell, a short polypeptide called ___________ is attached to a protein to target it for destruction
| a. | Ubiquitin | |
| b. | Signal Peptidase | |
| c. | Disulfide Isomerase | |
| d. | Glutathione | |
| e. | Ubiquinone |
