The plasmid is an extra-chromosomal small circular and double stranded DNA molecule present in the prokaryotic cells. These are often found in some eukaryotic cells also. The plasmid DNA carries the genes which are responsible for the antibiotic resistance for the prokaryotic cells.
Answer:
C. A car engine
Explanation:
Renewable sources of energies are those who can grow again, such as trees and plants, or that can always reappear, such as wind and solar energy. Nonrenewable energy, however, cannot be regenerated, like oil and coal, or are mined minerals.