B. Keratin
Even our nails are made up of it
Answer:
The father of genetics is Gregor Mendel. Gregor Mendel was considered the father of genetics during the 19th century.
Hope this helps! :)
Once Oxygen reaches the blood via the lungs, it is taken in by a protein known as haemoglobin (Hb) in the red blood cells. Oxygen then binds to a heme group located within a subunit of the protein (Hb). A single heme group can bind 1 oxygen molecule, there are 4 heme groups all together meaning 4 oxygen molecules forming Oxyhaemoglobin. Oxygen is then diffused into local tissue by the Haemoglobin. - this was rushed sorry if it doesnt make alot of sense hope it helps tho
the brain and heart are composed of 73% water, and the lungs are about 83% water.
Answer: Leaves
Explanation:
Photosynthesis takes place in things called chloroplasts. Chloroplasts contain a green substance called chlorophyll. Most of these can be found in the leaves of the plant.
