Which cells are a product of meiosis? A.
blood cells
B.
brain cells
C.
intestinal cells
D.
muscle cells
E.
sperm cells

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry