Pre-Check: DNA & Protein Synthesis

There are ___ amino acids.

• 30
• 25
• 20
• 15

DNA is copied into mRNA during the _________ process which happens within the nucleus.

• transcription
• translocation
• translation
• replication

Transcribe the following DNA code into mRNA:

ATC CGC TAA

• UAG GCG AUU

• ATC CGC TTA
• AUC CGC UAA
• UAC GGC UAA

Codons are:

• Codons are sequences of four nucleotides that code for amino acids.
• Codons are single nucleotides that code for proteins.
• Codons are sequences of three nucleotides that code for amino acids.
• Codons are random sequences of nucleotides without any specific function.

A change in the code of DNA creates a _______. This can be hereditary or environmental.

• protein
• chromosome
• gene
• mutation

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

There are structural proteins and functional proteins. Which of the following is an example of a structural protein?

• Enzymes

• Hemoglobin

• Channel Proteins

• Insulin

What amino acid is represented by the codon UUA?

• Phenylalanine
• Tyrosine
• Leucine
• Stop codon

When these bond together, they form a protein

• Amino Acids

• Peptide Bonds

• Ribose

• Nucleotides

Tags

NGSS.HS-LS1-6

Which organelle is the location where protein is made?

• Ribosome

• Nucleus

• Cytoplasm

• Nucleotide

DNA is held together by ________ bonds.

• ionic bonds
• covalent bonds
• strong peptide

• weak hyrdrogen