During dna replication, the original strands are opened and unwound by a. helicase b. primase c. dna polymerase d. ligase

Larry goes to the doctor complaining that he can't see the right side of the visual field with either eye. where in the visual signal-processing pathway is larry's problem occurring?

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis