I'm giving 15 points plz help
How is Collagen different from Keratin?

Explanation:

keratin is found making up much of the skin, hair and nails if the body. collagen is a protein that is made of fibroblast cells.

Collagen is found making up most of the connective tissues of the body. Keratin is found making up much of the skin, hair, and nails of the body. Collagen is a protein that is made by fibroblast cells. Keratin is found as alpha or beta forms and is made by keratinocyte cells.

Explanation:

micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?