How is the cell in Diagram B effectively using its resources? A.)Since lactose is present, the repressor protein will begin transcription.

B.)RNA polymerase is transcribing the genes since lactose is present.

C.)The cell continually produces the enzymes needed to break down lactose.

D.)Since lactose is absent, the repressor protein is blocking the genes and stopping transcription.

D. Since lactose is absent the repressor protein is blocking the genes and stopping transcription.

Explanation:

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your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.