Higher Biology Unit 1 - KA3 - Gene Expression

Which term matches the following definition:

the process by which information from a gene is used to synthesise a functional gene product (mainly proteins).

• Gene expression

• Transcription

• RNA splicing

• Translation

Which stage is first in the process of protein synthesis

• Transcription

• Translation

• RNA splicing

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

• Transcription

• Translation

• DNA replication

• RNA splicing

Which RNA bases would pair with TACGAA in transcription?

• AUGCUU

• GCATCC

• ATGCTT

• GCAUCC

Where does transcription take place?

• nucleus

• cytoplasm

• ribosome

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

ATGGGAACTCCA

• 4

• 2

• 6

• 12

How many strands does RNA have?

• One

• Two

• Three

• Four

A triplet of three DNA/RNA nucleotides is called?

• codon

• amino acid

• anticodon

• peptide bond

What do ribosomes consist of?

• Protein only

• mRNA and Protein

• rRNA 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 mRNA transcript?

• DNA polymerase

• RNA polymerase

• Taq Polymerase

• DNA ligase