Which best describes how scientists found the human gene that makes insulin? A. They worked backwards from mRNA to DNA.
B. They found insulin-producing genes in bacteria.
C. They used the base sequence to find the amino acid sequence.
D. They cloned insulin proteins using PCR

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.