The genotype for yellow flowers is a recessive trait.
A procaryotic cell has five essential structural components: a nucleoid (DNA), ribosomes, cell membrane, cell wall, and some sort of surface layer, which may or may not be an inherent part of the wall.
Answer:
I agree it would be A) IT is a reactant in a chemical reaction
Explanation:
a catalyst is a substance that causes a chemical reaction to happen in a different way than it would happen without that catalyst
The cutting down of trees