What role does helicase play in dna replication? a. helicase bonds together pieces of dna as new strands form. b. helicase connects the floating nucleotides to the template strands. c. helicase breaks the hydrogen bonds and unwinds a section of dna. d. helicase checks the base pairs in each new strand of dna.

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

What does natural resource management aim at ?