What is the role of a vitamin in the body?

A vitamin is a nutrient or dietary component made up by an organic molecule and required by the body in very small amounts. It acts as a co-enzyme to prevent a deficiency disease.

NP
Answered by Natasha P. Human Biology tutor

4103 Views

See similar Human Biology A Level tutors

Related Human Biology A Level answers

All answers ▸

How does skeletal muscle contract?


Approximately how long is a double-stranded DNA molecule with a molecular weight of 3x10^9 g/mol? Assume the molecular weight of one nucleotide is 333 g/mol, and that there are 10 base pairs for each turn of the DNA helix equalling 3.4nm in length.


How does the theory of evolution due to natural selection explain the extinction of other species?


Why would a patient with no helper T cells not produce any antibodies?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning