Which best describes the process that occurs when nuclear DNA codes for a protein in the cytoplasm?A. One strand of the DNA temporarily leaves the nucleus to be translated by a ribosome in the cytoplasm. B. mRNA is transcribed from DNA and leaves the nucleus to be translated by tRNA in the cytoplasm. C. A ribosome makes an RNA copy of the DNA in the nucleus, then returns to the cytoplasm for protein synthesis. D. The tRNA copies the DNA in the nucleus, then transports the information to the ribosomes in the cytoplasm for protein synthesis.

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

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when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.