PICTURE BACKGROUND INFO INCLUDED + BRAINIEST IF RIGHT Challenge: This DNA strand consists of eight pairs of nitrogenous bases.
How many different sequences of eight bases can you make? Explain
how you found your answer.

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.

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

The term facultative anaerobe refers to an organism that