What is this passage mainly about?
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Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

One gene can influence trait(s). one trait can be determined by gene(s).

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f