The smallest particles that make up matter A. are about the size of pinheads.
B.
are about the size of marbles.
C.
are too small to be seen with the unaided eye.
D.
can be seen with the unaided eye only at certain temperatures.

How do you transfer mrna into codons ? i'm so confused : (

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

Which process of living things produces water that enters the water cycle