Variation, DNA and Protein Synthesis Self-Assessment Variation, DNA and Protein Synthesis 1 Give the term used to describe the differences in organisms 2 Define the term species. 3 Give an example of a species 4 Define the term heredity 5 Give an example of heredity 6 Define the term gene expression 7 Give an example of gene expression 8 Define a gene 9 Outline the role of a gene 10 Describe the structure of a chromosome 11 Describe the structure of DNA 12 Describe the structure of a Nucleotide 13 Outline the specific purine and pyrimidine couples – complementary base pairs. 14 Name the four bases and the base pairs in DNA 15 Explain Hydrogen bonding 16 Refer to the double helical structure of DNA 17 Distinguish between coding and non-coding structures. 18 Explain why RNA is a complementary structure to DNA 19 Name the bases in RNA 20 Outline the structure of RNA 21 Explain the function of mRNA 22 Describe the triplet base code 23 Outline Chromosome sequencing of coding and noncoding (junk DNA) sequences. 24 Outline DNA replication 25 Outline the steps in protein synthesis Red Orange Green 26 Explain how DNA contains the code for protein 27 Understand why enzymes unwind the DNA 28 Explain how this code is transcribed to mRNA 29 Describe the role of RNA polymerase 30 Explain what a codon is 31 Explain how the mRNA code is translated on the ribosome 32 Understand that ribosome is composed of subunits 33 Explain how amino acids are assembled in the correct order determined by the codons on mRNA Understand a stop codon on mRNA signals the release of the protein Understand that the protein folds into its functional shape 34 35 36 Give the location of protein synthesis 37 Explain how genes control cell activities by producing proteins Describe the role of RNA polymerase 38 39 Describe the molecular involvement of DNA, mRNA, tRNA, rRNA and amino acids in the process of protein synthesis