QUIZ: 4.1 Vocabulary

A macromolecule that carries genetic information is a(n) ___.

• nucleic acid

• protein

• enzyme

• gene

A protein that acts as a biological catalyst by speeding up chemical reactions is a(n) ___.

• nucleic acid

• protein

• enzyme

• gene

A sequence of DNA that codes for a protein and determines a trait is a(n) ___.

• nucleic acid

• protein

• enzyme

• gene

Match the following

• rRNA

• makes up the major part of ribosomes

• tRNA

• transfers amino acids to ribosomes during protein sythesis

• mRNA

• carries copies of instructions for assembly of amino acids into proteins from DNA to the ribosome

Ribose is the ___.

• 5-carbon sugar found in DNA

• 5-carbon sugar found in RNA

• compound that forms an important part of nucleotides

• the two sections of a nucleotide that bond together to

  connect strands of DNA or RNA

Deoxyribose is the ___.

• 5-carbon sugar found in DNA

• 5-carbon sugar found in RNA

• compound that forms an important part of nucleotides

• the two sections of a nucleotide that bond together to

  connect strands of DNA or RNA

A nitrogen base is a ___.

• 5-carbon sugar found in DNA

• 5-carbon sugar found in RNA

• compound that forms an important part of nucleotides

• the two sections of a nucleotide that bond together to

  connect strands of DNA or RNA

Complementary base pairs are ___.

• 5-carbon sugar found in DNA

• 5-carbon sugar found in RNA

• compound that forms an important part of nucleotides

• the two sections of a nucleotide that bond together to connect strands of DNA or RNA

A nitrogen base made up of a single ring, which are cytosine, uracil, and thymine =

• DNA

• RNA

• purine

• pyrimidine

A nitrogen base made up of two rings (double ring), which are adenine and guanine =

• DNA

• RNA

• purine

• pyrimidine