Cell walls are made out of cellulose and they give a sturdy structure to the cells (if you notice they have a rectangular shape)
If all the plants will die then the food chain will go different directions and the animals will die those plants are the producer of the food chain
Translation proceeds in three phases: Initiation: The ribosome assembles around the target mRNA. The first tRNA is attached at the start codon. Elongation: The tRNA transfers an amino acid to the tRNA corresponding to the next codon.
