Which of the following statements about the basic structural features of dna are true? select all true statements. select all true statements. the major and minor grooves prevent dna binding proteins from making contact with nucleotides. in a dna macromolecule, the two strands are complementary and antiparallel. the twisting of the dna double helix is attributed to the tight packing of dna bases and base-stacking. the major and minor grooves form in the dna helix because the dna strands are antiparallel.

Option (2) and (3).

Explanation:

DNA is the genetic material of all organisms except some viruses. DNA is composed of the nitrogenous base, pentose sugar and the phosphate group. DNA strands are complimentary to each other.

The DNA strands run in the opposite direction, one strand in 5' to 3' direction and other strand in 3' to 5' direction thus they are anti parallel with each other. The DNA strand can twist with each other which result in the tight packing of DNA base and base stacking. DNA consists of major and minor grooves.

Thus, the correct answer is option (2) and (3).

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atp is used for energy.