--%>
Assignment Help - homework help

Problems caused by the deficiency of vitamin A

What are the main problems caused by the deficiency of vitamin A? How does this vitamin perform in the physiology of visualization?

E

Expert

Verified

Deficiency of vitamin A (that is, retinol) might cause night blindness, corneal dryness (or xerophthalmia) and pre-disposition to skin injuries.

In physiology of vision, vitamin A contributes in the formation of rhodopsin, a pigment accountable for the visual perception in less illuminated regions.

   Related Questions in Biology

  • Q : Significance of GMO in bio-technology

    What GMO stands for and what significance it has in bio-technology field?

    		•
  • Q : Challenges of management in service

    Significantly explain particular challenges facing the management of people and how such challenges might be overcome in the service sector?

    		•
  • Q : Explanation of suction force of plant

    Give a brief explanation of suction force of the plant cell. Does the suction force make probable or make tricky the entrance of water in the cell?

    		•
  • Q : Opening of stomata in the dry

    Explain the phenomenon that some plants adapted to the dry environment open their stomata only during the night?

    		•
  • Q : Gas exchange organs of plants Specify

    Specify the main gas exchange organs of plants? Explain how this process is generally carried out?

    		•
  • Q : Functions of calcitonin Write a short

    Write a short note on the functions of calcitonin? Also write its features.

    		•
  • Q : Describe Systems Development Systems

    Systems Development: The SDLC is a process of information system (abbreviated as IS) development. Different SDLC models have been made and can be implemented, comprising waterfall, rapid prototyping, spiral, incremental, fountain, build and fix, synch

    		•
  • Q : What is Line Extension Line Extension :

    Line Extension: A firm markets one or more latest products in an established and famous brand identity as a multi-product branding policy. The aim is to take benefit of widespread name recognition of the original brand and satisfy various customer req

    		•
  • Q : What is Product Development Product

    Product Development: A new service or product for the market is process developing. This kind of development is seem as the preliminary step in service or product development and includes various steps which should be completed before the product can

    		•
  • Q : Describe the route of nutrients after

    From intestinal lumen via to the tissues - describe the route of nutrients after digestion?

    		•