DNA Extraction

What is the purpose of salt (NaCl) in DNA extraction?

• Neutralizes rubbing alcohol

• Charges DNA

• Neutralizes DNA

• Charges rubbing alcohol

What is the purpose of the dish-washing liquid in the strawberry DNA extraction lab?

• Allow cells to slide against each other.

• Protect DNA from the mashing.

• Keep strawberry from getting sticky.

• Breaks down parts of the cell.

What causes the DNA to separate from the strawberry liquid and be seen?

• Water

• Salt

• Rubbing Alcohol

• Dish-washing Liquid

The shape of an entire DNA molecule is?

• Spindle 
• Nucleotide
• Double helix
• Circular

What type of cell is this?

• Bacteria
• Prokaryotic 
• Plant
• Animal

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What type of cell is this?

• Animal 
• Bacteria 
• Virus 
• Plant

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What type of cell is this? 

• Animal
• Virus 
• Bacteria
• Plant

Tags

NGSS.MS-LS1-1

Where is DNA located in the cell?

• Nucleus

• Nucleolus

• Mitochondria

• Cytoplasm

Tags

NGSS.MS-LS3-1

Every organism requires a set of instructions that specifies its traits. This information is carried with the cells of the organism. Which set of statements BEST describes hereditary information in eukaryotic cells?

• Genes are made up of chromosomes and both are found in the cell’s cytoplasm.

• Chromosomes are made up of genes and both are found in the cell’s cytoplasm.

• Genes are made up of chromosomes and both are found in the cell’s nucleus.

• Chromosomes are made up of genes and both are found in the cell’s nucleus.

Tags

NGSS.HS-LS3-1

Which statement is true about DNA?

• DNA is an exact copy from parent to offspring

• DNA is not necessary for an organism to reproduce

• DNA contains genes that hold specific traits for an organism

• Organisms create their own DNA sequence that is not like their parents

Tags

NGSS.MS-LS3-2