DNA structure/replication/protein synthesis

What is the sugar molecule contained in RNA?

• deoxyribose

• ribose

• glucose

• glycogen

If a sequence of DNA is GAC-CGT, what would the replicated strand be?

• CTG-GCA

• CAG-GCA

• GUG-GCA

• CUG-GCA

Which one of these is NOT a type of RNA?

• mRNA

• tRNA

• aRNA

• rRNA

During what phase does DNA replication occur?

• telophase

• metaphase

• synthesis

• prophase

What is the shape of DNA called?

• double helix

• helix

• DNA helicase

• double twist

We often compare the structure of DNA to a ladder. What makes up the backbone, or sides, of the ladder?

• amino acids and sugars

• sugars and phosphate molecules

• nitrogenous bases

Replication begins at the Y-shaped region of the DNA molecule after the molecule has been unwound and unzipped. What is this region called?

• point of origin

• leading strand

• lagging strand

• replication fork

Which base always pairs with uracil?

• adenine

• thymine

• cytosine

• guanine

DNA has two strands, and each strand is oriented in opposite directions. What is this orientation called?

• parallel

• anti-parallel

What does Chargaff's rule state (only for replication)?

• A pairs with C, T pairs with G

• A pairs with C, U pairs with G

• A pairs with U, C pairs with G

• A pairs with T, C pairs with G