select ALL the TRUE statements about how proteins act in the body.
Hormones, such as insulin, are chemical messengers that carry signals from one part of the body to another.
In muscle movement, they are fibers within muscle cells that generate pull.
They transport things. One example is hemoglobin, which carries oxygen in the blood to all places in the body.
They make up structure, such as hair, tendons, ligaments, skin, and animal horns.
Enzymes include proteins that allow many of the chemical reactions in a cell to occur.
- Hormones, such as insulin, are chemical messengers that carry signals from one part of the body to another.
- They transport things. One example is hemoglobin, which carries oxygen in the blood to all places in the body.
- They make up structure, such as hair, tendons, ligaments, skin, and animal horns.
- Enzymes include proteins that allow many of the chemical reactions in a cell to occur.