1) What is used to cut DNA? a) restriction enzymes b) ligase c) lysozyme d) plasmid 2) Which cells produce insulin? a) liver cells b) pancreas cells c) stomach cells d) lungs cells 3) What is used to glue DNA together? a) restriction enzymes b) ligase c) lysozyme d) plasmid 4) What are sticky ends? a) sticky cells b) DNA strands c) overlapping ends of DNA d) straight ends of DNA 5) Where is engineered DNA placed/spliced into? a) nucleus b) plasmid c) chloroplast d) cytoplasm 6) Insulin is used to treat what? a) heart disease b) lung disease c) cystic fibrosis d) diabetes 7) What are blunt ends? a) sticky ends b) DNA strands c) overlapping ends of DNA d) straight ends of DNA

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