Answer:
C. Two non-functional copies of the retinoblastoma gene.
Answer:
a. enclosing their DNA in a nucleus.
Explanation:
Prokaryotes in general have no membrane bound organelles. The cells are enclosed in a plasma membrane though .
Frequently wiping cutting boards with paper towels would reduce the risk of cross contamination because the residue of raw meat would be wiped off
Mitochondria creates power for the cell which is why the are sometimes referred to as the powerhouse of a cell
