Question 21 4
Which nucleotide is only present in RNA?
Cytosine
Thymine
Uracil
Adenine

Give the biological term for: structures that display characteristics of living organisms only within living cells

The pronunciation aid that determines the stress placed upon a syllable is the

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.