Sidney W. Fox produced proteinoid spheres, which suggest a possible route from chemical to cellular life.
Enters the left atrium...this is the oxygenated blood from the lungs (pulmonary)
Answer:
sporopollenin
While the exine is composed of sporopollenin, a complex and highly resistant biopolymer containing fatty acids, phenylpropanoids, phenolics and carotenoids, the intine is largely composed of pectin and cellulose.
Explanation:
Answer:
(B)iology
Explanation:
Biology is a branch of science that studies about the living organisms.