Answer:
A double helix shape of DNA
Explanation:
Answer:
metabolism is the set of the chemical reactions that release energy for cellular processes.
Global warming / climate change resulting in the melting of glaciers causing a rise in sea level.
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.