Many thousands of proteins in a typical eukaryotic cell are regulated by cycles of phosphorylation and _______________.
举一反三
- Complex<br/>of DNA and proteins that makes up the chromosomes in a eukaryotic<br/>cell is called ______ .
- Interferons are a family of eukaryotic cell proteins classified according to the cell of origin. IFN-ɑ and IFN-β are produced by a variety of virus-infected cells. They A: act on target cells to inhibit viral replication B: act directly on the virus C: are virus-specific D: all of above
- Short regions of α helix are especially abundant in proteins that are embedded in cell __________, such as transport proteins and receptors.
- Membrane proteins are the functional units of cell membrane.
- Proteins are the principal constituents of cells and determine not only cell structure but also cell function.