A restriction enzyme<span> is an </span>enzyme<span> that cuts DNA after recognizing a specific sequence of DNA. You can think of </span>restriction enzymes<span> as molecular scissors. Scientists can use </span>restriction enzymes<span> to cut a single gene from a larger piece of DNA. </span>Restriction enzymes<span> evolved in bacteria. (please thank me and give me brainliest:))</span>
Answer:
i think its the first one
Explanation:
Food chain- is a diagram that shows how food energy moves from one organism to another in an environment. It begins with the plant life and ends with animal life. Plants get eaten by animals and animals eat other animals.