Biology Quiz

What is a macromolecule?

• Small molecules made up of larger molecules

• Big molecules made up of smaller molecules

• A type of nucleotide

• A single strand of DNA

Tags

NGSS.HS-LS1-6

What are nucleotides?

• Building blocks of proteins

• Building blocks of nucleic acids

• Building blocks of carbohydrates

• Building blocks of lipids

Which base pairing is correct in DNA?

• Adenine with cytosine

• Guanine with thymine

• Adenine with thymine

• Guanine with adenine

What is the structure of a double helix?

• 3 strands of nucleotide sequences wound around each other

• 2 strands of nucleotide sequences wound around each other

• A single strand of nucleotides

• 4 strands of nucleotide sequences wound around each other

What does antiparallel mean in the context of DNA?

• 2 strands of DNA run in the same direction

• 2 strands of DNA run in opposite directions

• 2 strands of DNA are parallel but not connected

• 2 strands of DNA are identical

What is the role of DNA helicase?

• Joins individual nucleotides

• Separates/unzips the 2 strands of DNA's double helix

• Adds short repetitive DNA sequences

• Carries information from DNA to other parts of the cell

What is the function of messenger RNA (mRNA)?

• Joins individual nucleotides

• Carries information from DNA to other parts of the cell

• Adds short repetitive DNA sequences

• Separates/unzips the 2 strands of DNA

What is the role of ribosomal RNA (rRNA)?

• Carries each amino acid to a ribosome during protein synthesis

• Combines with proteins to form ribosomes that will make proteins

• Synthesizes an RNA molecule from a DNA template

• Binds to DNA and separates its strands

What does transfer RNA (tRNA) do during protein synthesis?

• Combines with proteins to form ribosomes

• Carries each amino acid to a ribosome

• Synthesizes an RNA molecule from a DNA template

• Changes the genetic material of a cell

What is transcription?

• Process in which a sequence of RNA bases is converted into a sequence of amino acids

• Change in the genetic material of a cell

• Synthesis of an RNA molecule from a DNA template

• Long chain of amino acids that eventually make proteins