Answer: magnesium atom
Explanation:
magnesium atom
The chlorophyll molecule consists of a central magnesium atom surrounded by a nitrogen-containing structure called a porphyrin ring; attached to the ring is a long carbon–hydrogen side chain, known as a phytol chain.
Answer:
A. is repeated many times to ensure that the results are accurate
Explanation:
A controlled experiment is repeated many times to ensure that the results are accurate
<span>They specialize in antigen presentation and belong to the skin immune system (SIS).</span>
Mutualism is the Relationship were they both benefit.