Biology DNA Review

In which of the following processes does the DNA unzip?

• transcription and translation

• transcription and DNA replication

• DNA replication and translation

• all of these

What goes out into the cytoplasm and finds the amino acid and brings it back to the ribosome?

• mRNA

• rRNA

• tRNA

• DNA

During transcription, what is made?

• tRNA

• amino acids

• proteins

• mRNA

A chain of amino acids forms a(n)?

• protein

• carbohydrate

• nucleotide

• sugar

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which of the following is NOT a stop codon?

• UGG

• UAA

• UAG

• UGA

What happens during the process of translation?

• copies of DNA are made in the nucleus

• mRNA is made from DNA

• amino acids are assembled into a protein

• tRNA is made in the cytoplasm

Where in the cell does transcription occur?

• mitochondria

• in the nucleus

• cytoplasm

• at a ribosome

An anticodon is:

• the enzyme that unzips DNA to make mRNA

• a building block of a protein

• a long chain of amino acids

• a 3 base sequence on tRNA

Where in the cell does protein synthesis specifically occur?

• nucleus

• cytoplasm

• ribosome

• mitochondria

The enzyme that unzips DNA during DNA replication:

• DNA polymerase

• DNA helicase

• DNA amylase

• DNA anhydrase