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Yesterday in the Discussion on moina we compared the moina’s turning red to Kashmiri people who have red cheeks . So why they have red cheeks it’s bcoz they live in high altitude where level of oxygen is low …
@Saida Sayyed Dii spoke giving example that if say Mumbai people move to Kashmir their cheeks will turn red somewat depending on our colour skin. And similarly if from kashmir people move back to Mumbai their skin will become normal…
For the growth of bacteria which is food for moina we add 1 drop of milk in the culture…
So if we add less milk there will be less bacteria but more oxygen…and if we add more milk , bacteria will be also more but oxygen will be less and due to less oxygen the moina will turn red…
On the DNA strand there are histone protein’s attached …the question arises that what’s the role of this histone proteins! So basically we know that DNA is negatively charged and histone proteins are positively charged …(in phy we learn that unlike charges attract each other ) so DNA coils around histone which it helps in the packaging of DNA…
@Saida Sayyed Dii hypothesis that when Oxygen level is less histon protein gets removed and the cause for moina turning red…
HOW DOES HISTONE GETS REMOVED ?
This is done by the process called as histone acetylation
Acetyl grp ( Ch3CO-) which is negavitely charged when attached to the histone , the histone gets negatively charged and and it will not bind to DNA and when they acetyl grp is removed it will get attached back… so here we talked on acetylation and deacetylation of histone…
@Saida Sayyed di & @Abhijeet Singh also mentioned that if we add 1 drop of milk to the culture having red moina , the moina will turn colourless…
@Saida Sayyed di & @Abhijeet Singh