1) Which term relates to only small molecules fitting through the cell membrane? a) permeable b) selectively permeable c) selective d) optimum 2) Which part of a bacterial cell is the human gene inserted into in genetic engineering? a) Membrane b) cell wall c) Nucleus d) plasmid 3) Proteins are made of... a) DNA b) genes c) Amino acids d) enzymes 4) Enzymes are made of a) DNA b) Amylase  c) Protein d) genes 5) Doing an full experiment more than once makes it... a) valid b) reliable c) accurate

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