Which of the following is NOT a correct statement regarding comparative biochemistry? All living organisms produce the same proteins.

DNA and RNA are the genetic codes for all life.

The mechanism for building proteins from amino acids is nearly identical in all living systems.

both a and b

Describe two recent or ongoing space missions.

What does the positioning of transcription factors determine?

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.