Which substance melts first? Salty water or sodium chloride? Why?

The questions below will determine which restriction enzyme should be used to make a plasmid that contains both an intact vgp gene and a functional ampr gene. answer questions 1–4 by selecting from the answer choices on the left. drag the correct answer to the right of each question.

Because of its structure the cell membrane is known as a phospholipid ? a. bilayer b. molecule c. fluid d. barrier

What is the 77 element on the periodtic table