The retinoblastoma (Rb) protein regulates progression into S phase by regulating activity.

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Explain how the parts of the peripheral nervous system work with the central nervous system to produce a response to the stimulus