Which phrase would be appropriate to put in area A on the chart below? Technological Device
Negative Impact
Positive Impact
Provides efficient
inexpensive energy
Nuclear power plant
A
O provides light from radioactive substances
O results in greater biodiversity
o produces radioactive waste
O reduces dependence on fossil fuels

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.

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic

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