H Biology Unit 1 Revision

Which form of bond holds complementary base pairs together?

• Peptide

• Hydrogen

• Chemical

• Polypeptide

What would be the complementary DNA sequence to ATGGCA?

• TACCGT

• UAGGCT

• TACCGA

• TAGGCA

Which form of RNA transports a copy of genetic information to the ribosome?

• tRNA

• mRNA

• rRNA

Which form of RNA transports amino acids to the ribosome?

• tRNA

• mRNA

• rRNA

What term can be used to describe the structure of DNA

• Antiparallel double stranded helix

• Antiparallel single stranded helix

• Parallel double stranded helix

• Parallel single stranded helix

Where does translation take place?

• Nucleus

• Ribosome

• Mitochondria

• Chloroplast

What end of a DNA strand does a primer join onto?

• 3'

• 5'

In what direction is a new DNA strand synthesised?

• 5' to 3'

• 3' to 5'

Which form of cell contains membrane-bound organelles?

• Eukaryotes

• Prokaryotes

Which enzyme is responsible for joining fragments of DNA together in the lagging strand?

• Ligase

• DNA Polymerase

• RNA Polymerase

• Histone