Protein Synthesis and DNA Replication

What are proteins made of?

• Saccharides

• Amino Acids

• Nucleotides

• Polypeptides

A gene is a stretch of DNA which tells the cell the order of...

• Proteins in an amino acid

• Atoms in an amino acid

• molecules in a lipid

• Amino acids in a protein

How many nucleotide bases are used to code for each amino acid in a protein?

• one

• two

• three

• four

Which molecule is used to carry genetic information to the ribosome?

• tRNA

• DNA

• mRNA

• Polypeptide

What is the process in which an mRNA copy is made of a gene?

• Digestion

• Transcription

• Synthesis

• Translation

mRNA copies of genes are made according to the rules of...

• Complementary base pairing

• Translation

• The triplet code

• Gene expression

Which enzyme is used to make an mRNA copy of a gene?

• DNA Polymerase

• Ribosome

• Protease

• RNA Polymerase

In prokaryotic cells, both transcription and translation occur in the cytoplasm.

• True

• False

An mRNA molecule directs the assembly of a protein as it passes through...

• A ribosome

• The plasma membrane

• A mitochondrion

• A protease enzyme

'Carrier molecules' are used to bring amino acids to the ribosome in the correct order.

What is the name of these carrier molecules?

• mRNAs

• cRNAs

• tRNAs

• sncRNAs