Protein Synthesis

Proteins are polymers made of monomers called

• nucleotides
• lipids
• amino acids
• nitrogen bases

Which of the following are found in BOTH DNA and RNA?

• ribose
• deoxyribose
• thymine
• phosphate group

Which of the following is created directly from DNA?

• tRNA only
• mRNA only
• tRNA and mRNA
• proteins

What is created during transcription?

• tRNA
• DNA
• mRNA
• proteins

What happens during translation?

• mRNA is made from DNA
• the ribosome uses information from mRNA to assemble proteins
• tRNA is made from mRNA
• copies of DNA molecules are made

Which enzyme is used in the process of unzipping the DNA to create a strand of mRNA?

• helicase
• replicase
• synthase
• polymerase

The sequence of DNA that contain instructions for making proteins are called

• genes
• amino acids
• mRNA
• tRNA

Transcription occurs where?

• ribosomes
• the cytoplasm
• the nucleus
• the rough ER

A codon consists of how many nucleotides

• 1
• 2
• 3
• 4

Codons each code for

• a protein
• an enzyme
• an amino acid
• a nucleotide