Bio Ch 14 Review

What is the term for a three-nucleotide sequence that codes for an amino acid?

• base
• codon
• amine
• serine

A tRNA that carries the amino acid methionine pairs with which type of codon?

• serine codon
• tRNA codon
• start codon
• anticodon

Which phrase best describes translation?

• converts mRNA into a polypeptide
• catalyzes bonds between amino acids
• produces RNA from DNA molecules
• recycles tRNA molecules for reuse

Which of the following is the site of translation?

• vacuole
• lysosome
• nucleus
• ribosome

What is the term for the sections of messenger RNA that are spliced together during processing?

• operators
• promotors
• exons
• introns

What "message" does mRNA carry?

• the genetic code that, when translated, forms proteins
• orders for making ribosomes, a cell's protein factories
• the order of base pairs in complementary RNA strands
• the number of codons in an individual reading frame