Answer:
What do you mean dichotomous key? and how many do you have to put down?
Explanation:
Answer:
False
Explanation:
its not the lithosphere, that's in the sky, its the crust thats broken into several large plates
Explanation:
Every amino acid also has another atom or group of atoms bonded to the central atom known as the R group. This R group, or side chain, gives each amino acid proteins specific characteristics, including size, polarity, and pH.
The cell membrane
The cell membrane is the boundary that controls what enters and leaves the cells
