James Watson and Francis Crick
Answer:
Level 1...Plants and algae make their own food and Plants and algae make their own food and are called producers.
I’m not sure what your asking. But if you have 2 different alleles of a gene it will be heterozygous
The main purpose is protection. The lipid bilayer protects the cell from viruses and other threats to the cell. It also maintains homeostasis within the cell by monitoring the amount of substances the enter or exit the cell.
