As an Amazon Associate I earn from qualifying purchases.

What is Vitamin A in College Biology? PDF | Download eBooks

Learn Vitamin A definition in college biology with explanation to study “What is Vitamin A”. Study vitamin a explanation with college biology terms to review biology course for online degree programs.

Vitamin A Definition

  • Vitamin A was the first fat -soluble vitamin identified in 1913.

    Biology by Dr.William George and A.R.Sheikh

Vitamin A Explanation

Vitamin A is demonstrated as a fat-soluble vitamin, usually less excreted from the body. Along with the combination of protein vitamin 'A' form rhodopsin in retina of eye. So, rhodopsin deficiency may causes blindness and difficulty to see in dim light. vitamin 'A' also helps in improving immune functions and for the growth of bones.

Keep Learning College Biology Explanations

What are Receptors?

Receptors are the part of an orgnism's body that helps in detecting stimuli, are specialized cells and linked to sensory ...

What is Nutrient Cycle?

A nutrient cycle is involved in the activities and transmission of organic and inorganic material that in return re-utilize in ...

What are Blood Vessels?

Blood vessels are responsible for circulating and transporting blood to different part of body. Arteries, veins and capillaries are the ...

What is Pharmacology?

The branch of biology which deals with the application, mode and action of drugs, using general strategies of biology and ...

What is Effects of Water and Dietary Fiber?

Water and fibers are not included as nutritious and nourishing components but performing fundamental role in life. According to an ...

What is Digestion in Human?

It is true that our body mechanism and cells need fatty acids, oxygen, water, salt, amino acids, vitamins and other ...