The concentration of glucose outside the cell is higher than the concentration of glucose inside the cell, thus there is a concentration gradient. The molecules of glucose move randomly and there is a net movement from outside to the inside, down the concentration gradient.
Answer:
Explanation:
mRNA is used to produce proteins from genes. rRNA, along with protein, forms the ribosome, which translates mRNA. tRNA is the link between the two other types of RNA.
