Hair color such as brown, black, or red is an example of a

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what