DNA Structure and Replication

What are the nucleotides made of?

• Sugar, Phosphate, nitrogenous base

• Phosphate, Adenine, nitrogenous base

• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

In eukaryotes, which organelle is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

Tags

NGSS.MS-LS1-2

NGSS.MS-LS3-1

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

The building block of nucleic acids are nucleotides.  Nucleotides are composed of a sugar, a phosphate group, and a _________________ base.

• oxygenous

• hydrogenous

• nitrogenous

• carbon

The sugar in DNA is ?

• sucrose
• glucose
• deoxyribose
• fructose

Which of the following monomers are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1