HELP PLEASE If one side of the DNA molecule was made of the following nitrogen bases, what would be the
complementary strand?

GATCCAATGTCACT

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.

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%