We hope you have learned a lot during this unit! Before taking the quiz, let's revisit the learning objectives. We hope you can....

• Recall basic information about nematodes and explain why they are useful in research as model organisms.

• Identify the lifecycle stages of the model organism C. elegans.

• Refer to your observations of worms after 15 minutes, 24 hours, and 48 hours of transferring them to the new plates.

• Identify similarities and differences in the response of the two worm strains to an environmental change.

• Construct an explanation for how glycerol can protect C. elegans in a high-salt environment.

• Analyze and interpret data from the scientific literature.

• Develop an explanation for how differences in gene expression help C. elegans maintain homeostasis.

• Demonstrate how the DNA sequence of a gene codes for the amino acid sequence of a protein.

• Explain the effect of a single nucleotide change on the function of a protein.

• Use a Universal Genetic Code chart to determine the protein sequence of a gene.