Josh notices that the frog he is dissecting has many different types of tissues and cells. The cells are different due to
Adifferent gene expression.
Bdifferent environmental factors.
Cdifferent DNA in the cells of the frog.
Ddifferent RNA in the cells of the frog.
Adifferent gene expression.
Bdifferent environmental factors.
Cdifferent DNA in the cells of the frog.
Ddifferent RNA in the cells of the frog.