At the onset of infection, the virus introduces into the cell its genetic material —RNA or DNA— accompanied in many instances by essential proteins.
举一反三
- The genetic material of a bacteria is located in the molecule A: RNA B: DNA C: protein D: lipid
- Many thousands of proteins in a typical eukaryotic cell are regulated by cycles of phosphorylation and _______________.
- 核糖体由_____组成 A: Only RNA B: Only proteins C: Only DNA D: RNA and proteins
- Complex<br/>of DNA and proteins that makes up the chromosomes in a eukaryotic<br/>cell is called ______ .
- A cell's _______ is the entire sequence of nucleotides in an organism’s DNA, which provides a genetic program that instructs the cell how to behave.