Biology Quiz

Proteins are made up of ________.

• ATP

• catalysts

• amino acids

• enzymes

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NGSS.HS-LS1-1

NGSS.HS-LS1-6

During transcription, ________.

• translation occurs

• RNA is produced

• DNA is replicated

• proteins are synthesized

In translation, which of these is responsible for forming a peptide bond?

• DNA

• tRNA

• nucleus

• ribosome

At the very beginning of translation, the first tRNA molecule ________.

• binds to the mRNA’s anticodon

• binds to the mRNA’s start codon

• attaches directly to the DNA codon

• connects an amino acid to its anticodon

What is the name for the portion of the DNA that codes for a specific protein?

• gene

• chromosome

• histone

• nucleotide

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NGSS.HS-LS1-1

NGSS.HS-LS1-6

A codon is a ________.

• protein that blocks DNA transcription

• segment of DNA that speeds up transcription

• three-nucleotide sequence that codes for an amino acid

• DNA segment that allows a gene to be transcribed

Which of the following statements is not correct concerning DNA and RNA?

• Both DNA and RNA contain the base cytosine

• Both RNA and DNA are double-stranded molecules

• RNA contains the base uracil while DNA contains thymine

• DNA contains a sugar named deoxyribose while RNA contains a sugar named ribose

Give an example of a change in DNA that would cause a frameshift mutation.

Original DNA Sequence: TAC CTA TTA GGC

Example of Frameshift: ______________________

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NGSS.HS-LS3-2

What specific role do ribosomes play in the production of proteins?

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NGSS.HS-LS1-1

After replication, how do the nucleotide sequences in both DNA molecules compare with each other?