Nucleic Acids

Nucleic Acids

Multiple Choice

What are the molecules that make up nucleic acid?

• sugars and phosphate groups

• sugars, phosphate groups, and nitrogenous bases

• phosphate groups and nitrogenous bases

Multiple Choice

What is the shape of DNA?

• composed of two strands that form a helix

• composed of a single strand

• polynucleotide sequence composed of uratil base

Multiple Choice

cytosine always pairs with

• guanine

• Adenine

• thymine

Multiple Choice

What is the difference between DNA and RNA?

• the sugar in DNA is deoxyribose sugar and the sugar in RNA is ribose sugar

• the nitrogen base thymine (T) is present in RNA and uracil (U) is present in DNA

• the nitrogen base adenine (A) only present in RNA and uracil (U) only present in DNA

Multiple Choice

what is the process by which mRNA is made from DNA?

• synthesis

• translation

• transcription

• replication

Multiple Choice

what is the molecule that binds to the mRNA molecule in transcription process?

• DNA

• RNA Polymerase

• tRNA

Multiple Choice

RNA is synthesis on DNA utilize

• enzyme RNA polymerase

• ribosome

• tRNA

Multiple Choice

Given the mRNA strands : AUG UGC AAG CAG , which is the following is its complementary tRNA?

• UAC ACG UUC GUC

• TAC ACG TTC GTC

• TTC GTC TAC ACG

Multiple Choice

RNA is synthesis on DNA utilize

• enzymE RNA polymerase

• ribosome

• tRNA