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Human Biology Unit 1 Challenge 2 SOPHIA PATHWAY

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SOPHIA Human Biology Unit 1 – Challenge 2 Question 1 Which of the following statements is true?  a.) All cells contain DNA in the nucleus.  b.) On rare occasions cells result from the s ... pontaneous combination of molecules.  c.) Some organisms are not made up of cells.  d.) No living thing is smaller than a cell. Which of the following statements is true?  a.) All cells come from preexisting cells.  b.) Most prokaryotes do not have a nucleus, but some do.  c.) All cells have flagella.  d.) All cells are eukaryotes. Which is a component of all cells?  a.) Flagellum  b.) Cytoplasm  c.) Nucleus  d.) Tissue Question 2 Which of the following is a characteristic of the plasma membrane?  a.) It is composed strictly of a double layer of phospholipids.  b.) It allows only polar molecules to pass in and out of the cell.  c.) It is selectively permeable, meaning it controls what goes into and what comes out of the cell.  d.) The hydrophilic tails of t [Show More]

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