Vitmins Flashcards
How vitamin A contributes to our sight
Vitamin A is located inside the retina in the opsin protein in cis conformation. When light hits the vitamin it changes to trans, released from the protein and create a chain that transmits nervous signal that starts the process of site
Can excessive amount amount of vitamin A be toxic
Yes
Which organ is harmed by excessive amount of vitamin a
Bones
Why are usually animal gets to eat zaksantin
It colors their body orange
Does eating excessive amount of carteoid can be toxic
No
Which phenomenon eating at a lot of carotenoids can lead to
Cerotenodermia
To which phase B1 vitamin used as a cofactor
Transformation from the anaerobic to the aerobic part in the breakdown of sugar from pyruvate to acetyl CoA
pentose phosphate pathway
In which pathways B1 vitamin takes part
Pentose phosphate pathway
Alphaketoglutarate dehydrogenase
pyruvate to acetyl CoA
Lack of which vitamin can lead to beriberi disease
B1
Where can we get niacin B3 vitamin
From animals and plants
What is niacin (B3) is used for
Serve as an electron carrier in metabolic processes
Why it is important to put corn in basic solution
Because otherwise the tryptophan is trapped inside the corn and our body can’t use it
Which type of metal is in the middle of the cobleamine B12 vitamin
Coblat
Where does B12 vitamin is stored
Liver
How lack of B12 vitamin can cause anemia
B12 vitamin is crucial for DNA and RNA and lack of it will slow or the production of new cells and among them red blood cells
