Which type of transport is used to move a molecule from a region of low concentration to a region of high concentration? O A. Passive transport O B. Osmosis )C. Diffusion OD. Active transport

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.