what is the shape of a dna molecule called
16421. Concept 19: The DNA molecule is shaped like a twisted ladder. Deoxyribose and phosphate molecules form the uprights and nucleotide pair form the rungs of the DNA ladder. SOURCE: DNAFTB. 1445. DNA. Because it contains the directions for assembling the components of the cell, DNA is often thought of as the instruction book for assembling life. SOURCE: G2C. 15681.