Which is the number of characteristics that define a living thing? a. 6 b. 8 c. 4 d. 3

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.

When organisms are classified ,they are given a two part name

What characteristic make legumes a good food source for food insecure populations