amandasantiago2001
22.06.2019 •
Biology
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
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Ответ:
H2O is polar and forms hydrogen bonds with itself but O2 is nonpolar and can only form weak(van der waals) interactions.
Ответ:
In RNA, U always pair with A; G always pair with C.
Therefore, when you see mRNA, you have to convert the anti-codons/condons from DNA to mRNA. When there is a T, it will be converted to A. A would be to U, U would be to A, G would be to C and C would be to G.