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2/22/16 Materials Needed: Pen or Pencil, and binder Homework: #47 DO NOW: What organelle is responsible for storing DNA in eukaryotic cells? How do you know this? Agenda: 1.Do Now (5) 2.Experiment (10) 3.Dismiss (3) 1 Voices 1. Level 2. Write down the homework in Objectives your agenda. •Scientists will be able to describe the basic rules and procedures of 6th grade science. If you finish early, THUMBS UP! Today’s Agenda • • • • • • • Objectives DNA Overview DNA Reading Build a DNA model animation Model building practice Homework: #47 S.O.T.D. Objectives Scientists will be able to create strands of DNA and describe the structure. Writing and speaking: Students will recall details about DNA and its structure. What are we doing? We are learning about DNA. Why are we doing it? We are learning about DNA because it contains the information that determines the characteristics of all living things. How do I know you’ve got it? When you can describe the structure and function of DNA, you’ve got it! New Vocabulary: Genes • Repeat after me: Genes • Dictionary Definition: the basic physical unit of heredity; a linear sequence of nucleotides along a segment of DNA that provides the coded instructions for synthesis of RNA, which, when translated into protein, leads to the expression of hereditary character. • Our definition: A section of DNA that codes for traits • Other forms: gene, genetic • You try it: “Genes code for __________.” New Vocabulary: Chromosomes • Repeat after me: Chromosomes • Dictionary Definition: any of several threadlike bodies, consisting of chromatin, that carry the genes in a linear order: the human species has 23 pairs, designated 1 to 22 in order of decreasing size and X and Y for the female and male sex chromosomes respectively. • Our definition: The place where all the genes of an organisms are held. • Other forms: chromosomes, chromosomal DNA • DNA (deoxyribose nucleic acid) molecules are large and complex. They carry the genetic code that determines the characteristics of a living thing • Except for identical twins, each person’s DNA is unique • DNA can be cut up and separated, forming a sort of “bar code” that is different from one person to the next • DNA is composed of 4 bases: A, C, T, G DNA and you! • Please read the text and answer the questions on the next page. We will review your answers, then watch the DNA building animation. Then, we will build models with candy! • How to get the A+: Build DNA animation http://learn.genetics.utah.edu/content/molecul es/builddna/ Then, follow the directions to build DNA with candy! Let’s prove what we’ve learned! Which of the following best describes the purpose of the chromosomes in the nucleus of a cell? A. to store instructions needed to specify traits B. to release energy by breaking down food molecules C. to transport nutrients into and out of the cell D. to protect the cell from microorganisms HW: #47 Answer the multiple choice question using our strategies. Scientist of the Day