Question

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✔️Correct Answer Needed✔️

1)What Is the full name af SAT ? [Not The Exam]

2)Why DNA is negatively charged?

3)What Is Secondary construction?

Answer 1

Hey There..!!! ✌✌✌
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Happy Ganesh Chaturthi...!!! ❤❤❤
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Gr8 questions ✔✔✔
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Pls find the answer below:
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1) SAT: Sine Acido Thymonucleinico

2) The double helix of DNA is highly negatively charged due to all the negatively charged phosphates in the backbone. All that negative charge must be counterbalanced by a positive charge on histones. Histones are positively charged proteins that wrap up DNA through interactions between their positive charges and the negative charges of DNA. Thus, DNA structure is highly stable.

3) Kindly check the spelling.. it's Constriction and not construction...!!!

➡ Secondary constrictions mark the locations at which the nucleoli are assembled.It is associated with the nucleolus during interphase of cell division and take part in reorganization of nucleolus at the end of the cell division. Some parts of secondary constrictions are also called "Nucleolar Organizing Region".
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Hope it helps...!!! ☺☺☺