H 1.3 Gene Expression

Which of these statements about DNA is false?

• DNA is double stranded

• DNA contains the base Uracil

• DNA contains a Deoxyribose sugar

• DNA contains the base Guanine

Which of these statements about RNA is false?

• RNA is single stranded

• RNA contains the base Uracil

• RNA contains a Ribose sugar

• RNA contains the base Thymine

Which of the following is not a form of RNA?

• mRNA

• tRNA

• rRNA

• dRNA

Which of the following statements about RNA is false?

• mRNA carries genetic code to the ribosome

• tRNA carries genetic code from the nucleus

• rRNA forms the ribosome

• tRNA carries specific amino acids to the ribosome

The first stage of Protein Synthesis is...

• Transcription

• Translation

How many bases make up a codon?

• 1

• 2

• 3

• 4

Which of the following are coding regions of an mRNA transcript?

• Introns

• Exons

Which of the following are non-coding regions of an mRNA transcript?

• Introns

• Exons

The second stage of Protein Synthesis is...

• Transcription

• Translation

Which type of bonds join amino acid molecules?

• Peptide bonds

• Hydrogen bonds

• Chemical bonds

• Ribose bonds