Could be: Ribulose-1,5-bisphosphate carboxylase oxygenase also known as Rubisco
Protein is crucial to build and maintain muscle. Since we are made of protein, it is in a sense the most important nutrient. However, it does not need to be the most abundant nutrient. Protein works very effictively when carbohydrates are your primary engergy source, but due to the abundance of carbs in every food, I'd focus more on getting your protein.
The metal that is most abundant in the lithosphere is iron. Over 5.6 percent of Earth's mass is comprised of iron.
Hydrogen is the most abundant element in the known Universe; helium is second.
The most abundant metal in the Earth's crust is iron. The most abundant element in the Earth's core is oxygen.
The most abundant metal in the earth's crust is the post transition metal, aluminum. It is found at about 82,300 ppm. It is the third ranked element, with oxygen being first and silicon second.
Collagen is the most abundant protein found in bone. It provides strength and structure to the bone tissue.
Collagen
collagen
The protein that is most abundant in hair is keratin.
Collagen is the single most abundant protein in the body, making up about 30% of total protein content. It plays a key role in providing structure and support to tissues such as skin, bones, tendons, and ligaments.
collagen (:
keratin
RuBP carboxilase is the most abundant protein.It is used in dark reaction.
The most abundant substance in the cytoplasm of cells is water, by a good margin. The most abundant organelle [cellular organ] by mass are ribosomes, which convert DNA into protein.
The most abundant protein in dead epidermal structures is called keratin. It is a fibrous protein that forms the main structural constituent of hair, feathers, hoofs, claws and horns.
Albumin is the second most abundant plasma protein after globulins. It plays a crucial role in maintaining blood volume and regulating osmotic pressure in the blood vessels.
The single most abundant protein in normal plasma is albumin.