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Warm-up 10/31/11. Teach the Teacher: Tell me everything you know about DNA. Review: Name as many female and male reproductive parts as you can. Learning Target: What makes up DNA? What does DNA do at the cellular level?. DNA . CRACKING THE CODE OF LIFE . DNA 101 .

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Warm-up 10/31/11

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Warm up 10 31 11

Warm-up 10/31/11

  • Teach the Teacher: Tell me everything you know about DNA.

  • Review: Name as many female and male reproductive parts as you can.

  • Learning Target: What makes up DNA? What does DNA do at the cellular level?


Warm up 10 31 11

DNA

CRACKING THE CODE OF LIFE


Dna 101

DNA 101

  • DNA stands for deoxyribose nucleic acid

    • What is a nucleic acid (one of four..)___________

  • 5 cm long nucleic acid molecule that contains hereditary material—tells cell its function and structure


Functions

Functions

  • DNA controls all the chemical changes which take place in cells

    • The kind of cell which is formed, (muscle, blood, nerve etc

    • The kind of organism which is produced (buttercup, giraffe, herring, human etc)


Functions1

Functions

  • DNA does it’s dirty work by making proteins…

  • PROTEINS ARE LIKE TEXT MESSAGES AND BRICKS..

  • communicate and build things


Made of

Made Of

large molecule made up of a long chain of sub-units

  • The sub-units are called nucleotides

    • Each nucleotide is made up of a sugar called deoxyribose

    • a phosphate group -PO4

    • and an organic base


Ribose and deoxyribose

Ribose and Deoxyribose

  • Ribose is a sugar, like glucose, but with only five carbon atoms in its molecule

  • Deoxyribose is almost the same but lacks one oxygen atom

  • Both molecules may be represented by the symbol


The bases

5

The bases

Adenine

(A)

Thymine

(T)

Cytosine

(C)

(G)

Guanine

The most common organic bases are


Nucleotides

6

Nucleotides

PO4

adenine

deoxyribose

The deoxyribose,

the phosphate

and one of the bases

Combine to form a nucleotide


Bonding 1

10

Bonding 1

Adenine

Thymine

Guanine

Cytosine

The bases always pair up in the same way

Adenine forms a bond with Thymine

and Cytosine bonds with Guanine


Genetic code 1

19

Genetic code 1

  • The sequence of bases in DNA forms the

  • Genetic Code

  • The different amino acids and the order in which they are joined up determines the sort of protein being produced

  • A group of three bases (a triplet) controls the production of a particular amino acid in the cytoplasm of the cell


Warm up 11 3 11

Warm-UP 11/3/11

  • Teach the Teacher: What is one thing you want to learn before you die (speak another language, learn how to fix a car, etc.)?

  • Review: Tell me as much as you can about DNA….

  • Learning Targets: What is replication? How do genes code for traits?


Gallery walk

Gallery Walk

  • 1. What are characteristics of a good, eye-catching poster?

  • 2. Give me 4 facts from subjects other then the ones you did….

    • 1.

    • 2.

    • 3.

    • 4.


Genetic code 2

Genetic code 2

Ser-Cyst-Val-Gly-Ser-Cyst Ala

Val

Val-Cyst-Ser-Ala-Ser-Cyst-Gly

Val- Cyst-Ala-Ala-Ser-Gly

20

This is a small, imaginary protein molecule showing

how a sequence of 5 different amino acids could determine the shape and identity of the molecule

Each amino acid (Serine, Cysteine, Valine, Glycine and

Alanine) is coded for by a particular triplet of bases


Triplet code

Triplet code

22

This is known as the triplet code

Each triplet codes for a specific amino acid

CGA - CAA - CCA - CCA - GCT - GGG - GAG - CCA -

Ala

Val

Gly

Gly

Arg

Pro

Leu

Gly

The amino acids are joined together in the correct

sequence to make part of a protein

Ala

Val

Gly

Gly

Arg

Pro

Leu

Gly


Enzymes

Enzymes

  • So DNA exerts its control through the enzymes

  • The DNA controls which enzymes are made and the enzymes determine what reactions take place

  • The proteins build the cell structures


Genes

Genes

  • A sequence of triplets in the DNA molecule may code for a complete amino acid

  • Such a sequence forms a gene

  • There may be a thousand or more bases in one gene


Replication

Replication

  • Before a cell divides, the DNA strands unwind

  • and separate

  • Each strand makes a new partner by adding the appropriate nucleotides

  • The result is that there are now two double-stranded DNA molecules in the nucleus

  • So that when the cell divides, each nucleus contains identical DNA

  • This process is called replication


Genetic code

Genetic Code

  • Each amino acid is specified by a particular combination of 3 nucleotides, called codons

  • Different species can use one codon over another for the same amino acid


Warm up 11 7

Warm-UP 11/7

  • Teach the Teacher: If you had to babysit a 5 year old what would be the coolest thing to do?

  • Review: What are the four nitrogen bases that make up DNA?

  • Learning Target: What are the “leggo” pieces of DNA? What are current issues regarding DNA?


Flash card

Flash Card

  • On the front:

  • Nucleotide

  • On the back:

  • The “lego” of DNA: sugar, phosphate, and nitrogen bases


Flash card1

Flash Card

  • On the front:

  • Nitrogen bases

  • On the back:

  • Adenine

  • Thymine

  • Cytosine

  • Guanine

  • Makes genetic code


Flash card2

Flash Card

  • On the front:

  • Amino Acid

  • On the back:

  • Building block of proteins, coded by a triplet of nitrogen bases


Flash card3

Flash Card

  • On the front:

  • Replication

  • On the back:

  • Process by which DNA is doubled before cell division


Warm up 11 9 11

Warm-up 11/9/11

  • Teach the Teacher: What is one of the most important things your grandparents, guardians, auntie, uncle, or other trusted adult has taught you?

  • Review: List as many flash card words as you can think of about DNA (in fact you should look at the flashcards…I give you permission)

  • Learning Targets: Learn the process for DNA analysis in crimes scenes. Investigate issues surrounding DNA determining blood quantum.


High country news article

High Country News Article

  • 1.What are the positive and negatives of using blood quantum? Be balanced.

  • 2. What do you think?


Warm up 11 10 11

Warm-UP 11/10/11

  • Teach the Teacher: What would be (or is) the best thing about being a twin?

  • Review: What is a way that our bodies must maintain homeostasis?

  • Learning Targets: DNA characteristics and current issues. What is human cloning?


Trash basketball

Trash Basketball!!!


Deoxyribose nucleic acid is

Deoxyribose nucleic acid is….

  • DNA

  • Nucleotide


Thymine cytosine adenine and guanine are

Thymine, Cytosine, adenine, and Guanine are….

  • Amino acids

  • Nitrogen bases


Proteins do what in the cell

Proteins do what in the cell?

  • Send messages and build stuff like muscle and cells

  • Make bones


Amino acids

Amino acids

  • Make up proteins

  • Make up nucleotide


Three nitrogen bases make up a

three nitrogen bases make up a

  • Coden or triplet

  • Enzymes


The process by which dna doubles in the cell

The process by which DNA doubles in the cell

  • Nucleotides

  • Replication


A phosphate group nitrogen base and a sugar make up what

A phosphate group, nitrogen base, and a sugar make up what?

  • Enzyme

  • Nucleotide


This is the lego of dna

This is the lego of DNA

  • Nucleotide

  • Enzyme


This is a macromolecule

This is a macromolecule

  • Nucleic acid

  • Coden


Cytosine will bond with

Cytosine will bond with

  • Thymine

  • Guanine


Thymine will bond with

Thymine will bond with

  • adenine

  • cytosine


Gau auu cuu cug ccc aca

GAU AUU CUU CUG CCC ACA


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