Answers: 2
Biology, 21.06.2019 15:00, gugu1004
6. in the dna double helix, how are the two strands of dna held together? a. chemical bonds between base pairs hold the two strands of dna together. b. hydrogen bonds between the base pairs hold the two strands of dna together. c. hydrogen bonds between sugar groups and phosphate groups hold the two strands of dna together. d. chemical bonds between sugar groups and phosphate groups hold the two strands of dna together.
Answers: 1
Biology, 21.06.2019 21:50, samuribe17
What is the name for a substance formed in a chemical reaction
Answers: 1
The phosphate functional group in the noncyclic AMP molecule of Question 21 contains “acidic hydroge...