DNA & RNA

How does RNA differ from DNA?

• RNA contains uracil and deoxyribose
• RNA contains ribose and thymine
• RNA contains uracil and ribose
• RNA contains adenine and ribose

How would the DNA sequence GCTATA be transcribed to mRNA?

• GCUAUA
• CGATAT
• CGAUAU
• GCUTUT

Tags

NGSS.HS-LS1-1

The number of codons in the genetic code is

• 3
• 4
• 20
• 64

In messenger RNA, each codon specifies a particular

• nucleotide
• enzyme
• amino acid
• promoter

Which of the following describes RNA?

• RNA is usually double-stranded and contains the base thymine
• RNA is usually single-stranded and contains the base uracil
• RNA is longer than DNA and uses five bases to encode information
• RNA is made in the nucleus of eukaryotic cells and stays there to carry out its functions

Which of the following statements about the genetic code is true?

• A codon can specify more than one amino acid
• Every codon specifies a different amino acid
• Some codons specify the same amino acid
• Some codons have no function at all

The process of making proteins on the ribosome based on instructions from messenger RNA is called

• transcription
• transformation
• translation
• molecular biology

Which form of RNA contains the instructions for building a protein?

• amino RNA
• ribosomal RNA
• messenger RNA
• transfer RNA

Which form of RNA carries amino acids from the cytoplasm to the ribosome?

• amino RNA
• ribosomal RNA
• transfer RNA
• messenger RNA

What type of bond holds together the two strands of the DNA double helix?

• Hydrogen Bond
• Peptide Bond
• Ionic Bond
• Disulfide Bond