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.

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Any sound above what db can cause hearing loss in human beings