Protein Synthesis

Mutations can be caused by which of the following?

• Radiation

• Chemical exposure

• Errors in DNA replication

• All of the above.

Tags

NGSS.HS-LS3-2

The sequence of amino acids in a protein is determined by ______.

• RNA

• DNA

• Lipids

• Carbohydrates

Tags

NGSS.HS-LS1-1

How do instructions in DNA reach the ribosomes in the cytoplasm?

• Through proteins

• Via RNA

• By lipids

• Using carbohydrates

Groups of three bases in DNA make up code "______."

• letters

• words

• sentences

• paragraphs

Which sugar is found in RNA?

• Glucose

• Ribose

• Deoxyribose

• Fructose

How many possible codons are there?

• 20

• 64

• 3

• 4

What is the function of a stop codon?

• Start protein synthesis

• Stop protein synthesis

• Code for an amino acid

• Code for a carbohydrate

Fill in the blank: Each codon codes for one ______.

• Protein

• Amino acid

• Carbohydrate

• Lipid

Fill in the blank: The genetic code is the same in all living things, showing that all organisms are related by descent from a common ____.

• ancestor

• enzyme

• protein

• cell

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

During transcription, what does the enzyme do after binding to the DNA?

• It signals the DNA to replicate

• It signals the DNA to unwind

• It signals the DNA to mutate

• It signals the DNA to degrade.