Guinea pig
The skin function that helps synthesize vitamin D from sunlight is called photosynthesis.
thrombase
Guinea pigs must have a source of vitamin C in their diet. They are unable to synthesize their own.
epiderm cell
sun
there's a product called retinol cream, it is a from of vitamin A.
Vitamin C is needed to synthesize nonessentail amino acids from essential amino acids.
Because they don't get enough sunlight to synthesize it normally. So they need to take Vitamin D for that.
Cells of our body synthesize Vitamin D in the presence of sunlight.
Yes
Pantothenic acid, more commonly known as vitamin B5, was first discovered in 1919 by an American biochemist named Roger J. Williams. The water-soluble vitamin is an essential nutrient and is required by animals to metabolize and synthesize fats, proteins, and carbohydrates.
The sunshine rays allows one's body to get vitamin D