The answer is D its tightly packed cells allow for proctection against harmful substances.
Amoebae move by growing an extension of their bodies in the direction of movement and then flowing into it. This extension is called a pseudopod because when it's fully extended it resembles a limb, despite being only an extension of the amoeba's plasma membrane.
Answer: A Puede ser posible un mecanismo de copia de material genético
Explanation:
El material genético, permite ser replicado, mediante la secuencia de doble cadena con el apareamiento de las bases con ayuda de la enzima telomerasa
Answer:
cell membrane
Explanation:
There are thousands of proteins embedded in the cell's lipid bilayer
What I know is that amino acid has side chain, amine groupe ,and groupe of carboxyl so what make them difference is side group where the is 20 different R-group which give each individual characteristics
