Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Vitamin A (Retinol)
Purified vitamin A is a viscous yellowish oil. It is freely soluble in most organic solvents such as methanol, ether, acetone, chloroform and petroleum ether as well as in fatty oils like olive, sesame and groundnut. However, Vitamin A is insoluble in water. It is highly susceptible to the action of atmospheric oxygen and oxygen carriers, further to oxidizing agents and metal ions. Vitamin A is also rapidly destroyed by UV light. Even in diffuse day light, the vitamin A conten of solutions is markedly reduced within a few hours. You must remember that vitamin A should be stored in a cool place, protected from light under vacuum or inert gas in air-tight containers or sealed ampules. You must understand that vitamin A itself is very unstable against external influences.
What is the concept of universality of the genetic code? What are the exceptions to this universality? The genetic code is universal because the rules of protein codification b
What is the type of cell division that allows sexual reproduction? What is gametogenesis? Meiosis is the type of cell division that permits sexual reproduction since it decreas
Q. What are the nucleic acids? What is the historic origin of this name? RNA and DNA, the nucleic acids, are the molecules responsible for the hereditary information that comma
Skin puncture: skin puncture is usually done when small volume of blood is needed (e.g., blood glucose test) to avoid unnecessary venipuncture. However, skin puncture in
WHAT TRAITS ALLOWED VASCULAR PLANTS TO GROW TALL
Healing Events around Implants Healing of an implant is compared with the processes in normal bone healing or bone regeneration and with stable osteosynthesis.
Q. What are the main human degenerative diseases? The major human degenerative diseases are divided into three groups, neoplastic diseases and degenerative diseases of the nerv
M a g n etic resonance imaging (MRI): It is in use as a clinical diagnostic tool since 1980. The distribution of hydrogen nuclei (protons), present in cellular wa
Nutrients and the Soil Early experiments on mineral uptake were performed by Hoagland, Stout and Amon in 1923. They showed that minerals were taken up from the soil primarily
Explain the radiation cataract and steroid induced cataract of the eye. Radiation Cataract Exposure to radiation causes discoid posterior sub-capsular opacities. Mechanism o
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd