Is any boy single from 13-14 ??? and only boys answer plz

Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Were you able to observe the nucleolus in any of the cells if so which ones