Describe in detail the structure and function of a DNA molecule, including the phosphate group, sugar and base as well as bonding.

The structure of a DNA molecule is a double helix, like 2 ladders twisting. These helix's are made of sugar phosphate groups, making the backbone of the molecule. On the inner area of the molecule, you have bands. These bands are adenine, thymine, cytosine, and guanine. According to Chargoff's rule, for every pair there is another- specifically, if there's an adenine base, you have to connect it to thymine, and vice versa. If there's guanine, it has to connect to cytosine. These bases are nitrogenous, and the molecule in general is made of nucleotides. Each nucleotide contains a sugar group, a phosphate group, and a nitrogenous base. The order of the bases determines the information in the DNA.

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Explanation:

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

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answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.