A) moves substances across the cell membrane
<span> Descriptive theories help direct specific nursing activities</span>
Answer:
I don't think so but u have to find out for your self
DNA fragments are cut out restriction enzymes (restriction endonucleases) and then joined together using enzymes called DNA ligases.
<span>Restriction enzymes are enzymes which recognize target sequences (recognition sites) and cuts DNA at or near those sequences.</span>
DNA ligase is an enzyme that connects the gap between the molecules (if they have matching ends).
