2.5 DNA-Do Now!

What is an organized package of DNA found in the nucleus of the cell?

• Chromosome

• Gene

• Mitochondria

• Nucleus

What is an organism's genetic material called?

• DNA

• RNA

• Protein

• Carbohydrate

What is a molecule made of a nitrogen base, a sugar, and a phosphate group called?

• Nucleotide

• Amino Acid

• Glucose

• Carbohydrate

What is a change in the nucleotide sequence of a gene called?

• Mutation

• Base

• Deoxyribo

• Replication

Who are the scientists that developed the double helix model of DNA?

• Watson and Crick

• Franklin and Crick

• Watson and Franklin

Who is the scientist who generated x-ray images of DNA?

• Rosalind Franklin

• James Watson

• Francis Crick

• Chargaff

What is the form of DNA that is wound into a spiral shape called?

• Double helix

• Single helix

• Ladder

• Double hexagon

What is Chargaff's Rule regarding base pairing?

• [A]=[T] and [G]=[C]

• [A]=[G] and [T]=[C]

• [A]=[C] and [G]=[T]

What are the nitrogen bases in DNA?

• Adenine, Thymine, Guanine, Cytosine

• Adenine, Uracil, Guanine, Cytosine

• Adenine, Thymine, Guanine, Uracil

• Adenine, Thymine, Guanine, Ribose

What is the attraction that holds the nitrogen bases together called?

• Hydrogen bonds

• Nucleic

• Ionic bonds

• Deoxyribo