Answer:
Phoebus Levene
Explanation:
Since he performed hydrolysis experiments on nucleic acid. He also discovered that DNA is composed as a series of monomers called nucleotide.
Answer:
A healthy ear is filled with air
Explanation:
Answer: In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.
Explanation:
The lungs are functioning to take carbon dioxide out of the body. Also known as exhaling.