Estrogen Molecules. The three major naturally occurring estrogens in women are estrone (E1), estradiol (E2), and estriol (E3). Estradiol is the predominant estrogen during reproductive years both in terms of absolute serum levels as well as in terms of estrogenic activity.
Simple epithelial is the specialized tissue that allows for the rapid diffusion of gasses and nutrient across cells
Answer:
D
Explanation:
Geological oceanographers study the past and present composition of seafloor structures. They investigate the origins of the underwater landscape and detail its development and changes. They also focus on the physical and chemical properties of rocks and sediments found on the seafloor
The answer is plant cells.
Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water.
The answer is C subtract the number of protons by the number of neutrons and by the way both b and c are the same. ;)