DNA Extraction Quiz

What is used to break apart the cells from each other when extracting dna from fruit?

• Lemon juice

• Vinegar

• Salt water

• Sugar water

What is added to the fruit soup to rupture the cell membranes and release the dna?

• Vinegar

• Bleach

• Ammonia

• Detergent

What is used to make the dna insoluble during the extraction process?

• Hot water

• Cold water

• Methanol

• Ethanol

What is the purpose of adding salt to the fruit soup during dna extraction?

• To remove the dna

• To make the dna more soluble

• To clump the dna together

• To break down the dna

What is the role of protease enzyme in the dna extraction process?

• To remove the dna

• To increase the dna length

• To break down the proteins around the dna

• To make the dna more soluble

What is the purpose of adding ice cold ethanol to the mixture during dna extraction?

• To break down the dna

• To slow down the action of enzymes

• To speed up the action of enzymes

• To remove the dna