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Unit 4: DNA

Picture
Subject/Content Area: Biology / DNA
Course: Biology 5th & 6th Period
Length of Unit: 10/27/2014 - 11/14/2014





Essential Question

 Why is important to understand the structure and function of the DNA molecule?

Standards

Next Generation Science Standards (NGSS)
HS-LS3-1: Ask questions to clarify relationships about the role of DNA and chromosomes in coding instructions for characteristic traits passed from parent to offspring

Each chromosome consists of a single very long DNA molecule, and each gene on the chromosome is a particular segment of that DNA. The instructions for forming species’ characteristics are carried in DNA. All cells in an organism have the same genetic content, but the genes used (expressed) by the cell may be regulated in different ways. Not all DNA codes for a protein; some segments of DNA are involved in regulatory or structural functions, and some have no as-yet known function. (HS-LS3-1)

Science Framework for California Public Schools (K-12)
4 - Genetics (Molecular Biology) - Genes are a set of instructions encoded in the DNA sequence of each organism that specify the sequence of amino acids in proteins characteristic of that organism. As a basis for understanding this concept: 
     4a) - Students know the general pathway by which ribosomes synthesize proteins, using tRNAs to translate genetic information in mRNA.     
     4b) - Students know how to apply the genetic coding rules to predict the sequence of amino acids from a sequence of codons in RNA. 
     4e) - Students know proteins can differ from one another in the number and sequence of amino acids.


5 - Genetics (Biotechnology) - The genetic composition of cells can be altered by incorporation of exogenous DNA into the cells. As a basis for understanding this concept: 
     5a) - Students know the general structures and functions of DNA, RNA, and protein. 
     5b) - Students know how to apply base-pairing rules to explain precise copying of DNA during semiconservative replication and transcription of information from DNA into                 mRNA

ELD Standards
Collaborative - 1). Exchanging information and ideas with others through oral collaborative discussions on a range of social and academic topics.
Interpretive - 6a). Reading closely literary and informational texts and viewing multimedia to determine how meaning is conveyed explicitly and implicitly through language.
Productive - 10b). Writing literary and informational texts to present, describe, and explain ideas and information, using appropriate technology.

Unit Objectives

  • At the end of the Race to the Double Helix activity, students will be able to describe the three parts of a nucleotide by drawing the DNA structure. 
  • After Listening and Reading about base pairing, students will be able to apply the base pair rule to the structure of DNA by completing the DNA Structure and Replication worksheet. (cognitive)
  • After completing the DNA extraction lab, students will be able to exhange information and ideas with others by collaborating with their partners on the laboratory investigation to complete the lab. (language)
  • After seeing the video and reading the article The Innocence Project, students will be able to explain their ideas and position on the subject by writing a short paper, 7-10 sentences, using 3 pieces evidence to support their opinion. (language)
  • After seeing the video and reading the article The Innocence Project, students will be able to generate an opinion based off the information by reading and viewing the information. (language)
  • After completing DNA replication notes and activity, students will be able to summarize and explain the process of DNA replication by completing the DNA replication worksheet
  • After completing the protein synthesis lab, students will be able to summarize the process of transcription by decoding the message in the protein synthesis lab.
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