Some vitamins are high in calories.
TRUE
FALSE

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.

Which codon is the code for the amino acid histidine (his)?

Why is it to call the calvin cycle the light independent reactions vs the dark reactions