The answer would be a.
Biological catalysts are generally proteins (and a group of RNA molecules called ribozymes), but carbohydrates do not play such a role.
Answer: On Earth, most carbon is stored in rocks and sediments, while the rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs, or sinks, through which carbon cycles.
Explanation:
According to the punnet square, if you combine a parental homogeneous dominant trait and a heterogeneous trait. 1 out of the 4 boxes will be homogeneously recessive.
