Answer:
B or C i think
Explanation:
because Eons are broken into eras and then into periods. Its not A tho
Answer:
i would say broken bone but A maybe i think if its not right sorry
Explanation:
and this is to other people dont comment on my stuff i post
Answer:
cells have different shapes because they do different things
Explanation:
Each cell type has it's own role to play in helping our bodies work properly and their shapes help them to carry out these roles effectively
Answer:
The synthesis of new proteins
Each enzyme has a particular shape so that it can attach to a substrate (molecule). So, during a chemical reaction, the enzyme and substrate join together, and then the substrate is changed in some way depending what the chemical reaction is doing? hope this helps a little.