Study Guide 3-2

Lecture 3.2 Competencies and Study Guide

Vocabulary

  • Centromere
  • Telomere
  • Metacentric
  • Submetacentric
  • Acrocentric
  • p arm
  • q arm
  • Gene
  • Locus
  • mRNA
  • tRNA
  • Sense strand
  • Promoter
  • Coding region
  • TATA box
  • Exon
  • Intron

Competencies

  1. Describe the anatomical structures of chromosomes.
  2. Explain how chromosomal loci are designated.
  3. Identify a given chromosome as metacentric, submetacentric and acrocentric.
  4. Describe the central dogma of molecular genetics.
  5. List the 3 contiguous sections of a protein coding gene.
  6. Describe the role of a gene promoter.
  7. Describe the function of a gene’s TATA box.
  8. Describe the function of a gene’s coding region.
  9. Compare and contrast exons and introns.
  10. Identify the start sequence for the coding region of a coding gene.
  11. Identify the ending sequence of a coding gene.
  12. Compare and contrast genome organization of prokaryotes and eukaryotes.
  13. Describe how much of eukaryotic DNA is actually coding region.
  14. Describe how much of a eukaryotic gene’s coding region is exon, on average.