[Trinh] Big Idea 9: DNA/RNA Replication Review

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

What is it called when DNA makes a copy of itself?

• Translation

• Replication

• Mitosis

• Gene therapy

When replication is complete, there are two _____________ DNA modules.

• identical

• different

• similar

Label the Nucleotide

c

b

a

Nitrogen Base

Phosphate Group

5 Carbon Sugar

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

Cytosine always pairs with

• Adenine
• Thymine
• Uracil
• Guanine