2022 Pre-Quiz Transcription

What does mRNA do?

• provides information from DNA to ribosomes
• transfers amino acids to the ribosomes
• makes up ribosomes
• builds proteins

What is the process that copies information from DNA into RNA?

• protein synthesis
• transcription
• translation
• DNA Polymerase

If a strand of DNA had bases in the following order - ATCCGTC, what would be the transcribed mRNA sequence?

• TAGGCAG

• UAGGCAG

• TUGGCUG

• None of the above are correct

What is the internal noncoding regions that are included in most genes of plants and animals called? 

• Caps
• Exons
• Introns
• Tail 

What are the coding regions, the parts of a gene that are expressed, called? 

• Tail
• Intron
• Cap
• Exon

Which of these help protect the RNA from being attacked by cellular enzymes and help ribosomes recognize the RNA as mRNA? 

• Cap & tail
• tRNA
• rRNA
• RNA polymerase 

The removal of introns and joining of exons to produce an mRNA molecule with a continuous coding sequence.

• RNA polymerase 
• Anticodon
• RNA splicing
• tRNA

Which statement is true of transcription?

• the DNA polymerase is used to synthesise DNA

• the antisense strand is used as a template

• it begins with ATG and ends with TAG

Which enzyme is involved in protein synthesis?

• Ligase

• DNA polymerase

• RNA polymerase

• Helicase

how many dna bases are needed to encode an amino acid

• 2

• 3

• 4