Answer:
Plasmids are used in biotechnology.
Explanation:
A plasmid is a natural or artificially modified circular DNA molecule for use in biological research.
The researchers use the plasmids to insert a DNA fragment of interest, thanks to the cloning cassettes. They can clone genes to express proteins or RNAs and analyze them.
a star expels most of its outer material until only the hot core remains, which then settles down to become a young a white dwarf
Answer:
A metamorphic rock can be classifies according to its texture and compositions.
Explanation: