Yes the mitochondria is essential for both plant cells and animals cuz it’s the powerhouse of the cell
New plants get energy from photosynthesis
Enzymes bind with chemical reactants called substrates. There may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. In some reactions, a single-reactant substrate is broken down into multiple products.
is there choices to pick from?
Biotic: anything that's alive
Abiotic: everything that's non-living