Higher Human Biology Unit 1 Gene Expression

Which process is used to make mRNA from the DNA in the nucleus?

• Transcription

• Translation

• Replication

Which RNA bases would pair with TACGAA in transcription? 

• AUGCUU
• ATGCTT
• GCATCC
• GCAUCC

Where does transcription take place?

• nucleus
• cytoplasm
• ribosome

Tags

NGSS.MS-LS1-2

How many amino acids are coded for by this sequence of nucleotides:

ATGGGAACTCCA

• 4

• 2

• 6

• 12

True or false:  RNA is double-stranded.

• true
• false
• it depends on the type

A triplet of mRNA is called a

• codon
• anticodon
• amino acid
• peptide bond

What do ribosomes consist of?

• Protein only

• rRNA and Protein

• mRNA and Protein

• tRNA and Protein

Which enzyme is responsible for unwinding DNA and breaking the hydrogen bonds between the bases then joining RNA nucleotides to form a primary transcript?

• DNA polymerase

• RNA polymerase

• Taq Polymerase

• DNA ligase

What do we call the non coding sections of RNA that are removed during splicing?

• Introns

• Exons

Which molecule transports amino acids to the ribosome?

• tRNA

• rRNA

• mRNA

• Codon