Genetic Code and Protein Synthesis

What are proteins built out of at the ribosome in the cell's cytoplasm?

• Amino acids

• Nucleotides

• Fatty acids

• Monosaccharides

The cell 'reads' DNA instructions by making mRNA through a process called:

• Transcription

• Translation

• Replication

• Mutation

What would the other strand’s DNA code be? TTAGCG

• AATCGC

• TTAGCG

• AAUCGC

• UUTCGC

DNA is too big to get out of the nucleus, so how does the ribosome get the instructions?

• Through mRNA

• Directly from DNA

• Via enzymes

• From proteins

What is the first step in the process of protein synthesis involving DNA?

• A) Translation into mRNA

• B) Transcription into mRNA

• C) Replication into mRNA

• D) Transformation into mRNA

RNA is single stranded and contains the base ______ instead of Thymine (T).

• Uracil (U)

• Adenine (A)

• Cytosine (C)

• Guanine (G)

Fill in the blank: RNA peels away from the DNA and goes to the ________.

• cytoplasm

• nucleus

• ribosome

• endoplasmic reticulum

The ribosome reads the code three bases at a time. What are these three bases called?

• These three bases are called a codon.

• These three bases are called a nucleotide.

• These three bases are called an amino acid.

• These three bases are called a gene.

Each codon codes for an ________.

• amino acid

• nucleotide

• sugar

• lipid

If a section of gene reads CTAGAAT, what would be the mRNA code?

• GATCTTA

• GAUCUUA

• GUTCTTU

• CTAGAAT