Reflection: Checks for Understanding The Central Dogma (#2 of 6): DNA Replication - Section 2: Anticipatory Set ("Hook")


"Excavate error: Dig into errors, studying them efficiently and effectively, to better understand where students struggle and how you can best address those points." (Teach Like a Champion 2.0, p. 72)

By doing a quick examination of a simple C.F.U. (Check for Understanding) I can determine whether students took away the proper knowledge keeping in mind that a proper student understanding of the DNA/RNA model will more likely lead to correctly understanding how these molecules interrelate and, together, produce observable phenotypic effects.

Both students correctly noted key similarities and differences in the length, component nucleotides, and strandedness. The first student demonstrated a more sophisticated understanding by recognizing that DNA is not only found in the nucleus but also in the two main plastid organelles (mitochondria and chloroplast). The second student identified the nucleolus as an alternative site for DNA. While incorrect one can understand the confusion given that the nucleolus resides within the nucleus. Perhaps this error was made by likening the two organelle names? Gotta check on this one!

  Structure & Function: How DNA and RNA are built leads to an understanding of what they can do
  Checks for Understanding: Structure & Function: How DNA and RNA are built leads to an understanding of what they can do
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The Central Dogma (#2 of 6): DNA Replication

Unit 3: 4) DNA & RNA ("Instructions for Life")
Lesson 5 of 10

Objective: Systems of specialized cells within organisms help them perform the essential functions of life. (HS-LS1-1) All cells contain genetic information in the form of DNA molecules. Genes are regions in the DNA that contain the instructions that code for the formation of proteins, which carry out most of the work of cells. (HS-LS1-1 & HS-LS3-1)

Big Idea: The structure of DNA is a double helix. Its shape explains how hereditary information is stored and passed along to offspring.

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