A cofactor<span> is a non-protein chemical compound or metallic ion that is required for a protein's </span>biological<span> activity to happen. These proteins are commonly enzymes, and </span>cofactors can<span> be considered "helper molecules" that assist in biochemical transformations.</span>
<span>Pets might have fleas and other diseases that could be transferred to the food either by the pet directly coming into contact with the food or by way of employees after they come in contact with the pet. This is especially dangerous if the food establishment does not have very strict sanitation rules.</span>
Secondary consumer is the answer.
Answer:
the shape of white blood cells