Molecular Genetics Vocabulary Quiz

DNA is a ________, or twisted ladder shape, formed by two strands of nucleotides twisted around each other.

• Chargaff helix

• triple helix

• double helix

• single helix

During _________, parental strands of DNA separate, serves as templates, and produce DNA molecules that have one strand of parental DNA and one strand of new DNA.

• Semiconservative replication

• DNA polymerase

• Okazaki fragments

• Central dogma

The enzyme____ catalyzes the addition of nucleotides to the new DNA strand.

• RNA polymerase

• DNA polymerase

• Okazaki fragments

• double helix

Short segment of DNA synthesized discontinuously is small segments in the 3' to 5' direction by DNA polymerase.

• Okazaki fragment

• DNA

• RNA

• Polymerase

Ribonucleic Acid; guides protein synthesis

• DNA

• RNA

• DNA polymerase

• RNA polymerase

The type of RNA that carries genetic information from DNA in the nucleus to direct protein synthesis in the cytoplasm.

• Messenger RNA

• Ribosomal RNA

• Transfer RNA

• RNA

The type of RNA that associate with proteins to form ribosomes.

• Messenger RNA

• Ribosomal RNA

• Transfer RNA

• Protein RNA

The type of RNA that transport amino acids to the ribosome.

• Messenger RNA

• Ribosomal RNA

• Transfer RNA

• RNA polymerase

The first step of the central dogma involves the synthesis of mRNA from DNA in a process called _______

• Messenger RNA

• Semiconservative Replication

• Translation

• Transcription

In RNA processing, the intervening coding sequence missing from the final mRNA is called______.

• Intron

• Exons

• Interphase

• Mitosis