Biology 1/21/14 Mrs. TurgeonBiology 1/21/14 Mrs. Turgeon

““I have decided to stick to love. Hate is too great a burden I have decided to stick to love. Hate is too great a burden to bear.” –Martin Luther King Jr.to bear.” –Martin Luther King Jr.

DO NOW:DO NOW:

1.In your notes: How are the following terms related to one another? genes, chromosomes, traits, DNA

AGENDA:

1.Students will understand basic DNA structure by taking notes and using the textbook

ANNOUNCEMENT:

Science club is meeting Tuesday, 1/21

Biology 1/22/14 Mrs. TurgeonBiology 1/22/14 Mrs. Turgeon

““Think left and think right and think low and think high. Oh, Think left and think right and think low and think high. Oh, the thinks you can think up if only you try.” – Dr. Seussthe thinks you can think up if only you try.” – Dr. Seuss

DO NOW:DO NOW:

1. Pass your homework forward1. Pass your homework forward

2. In your notes: What are the three parts of a nucleotide?

AGENDA:

1.Students will understand basic DNA structure by taking notes and using the textbook

Biology 1/23/14 Mrs. TurgeonBiology 1/23/14 Mrs. Turgeon

““You have brains in your head. You have feet in your You have brains in your head. You have feet in your shoes. You can steer yourself in any direction you choose.” shoes. You can steer yourself in any direction you choose.” – Dr. Seuss– Dr. Seuss

DO NOW:DO NOW:

1. Pass your homework forward1. Pass your homework forward

2. In your notes: We often refer to DNA as a spiral staircase. What structures would be the steps?

AGENDA:

1.Students will understand basic DNA structure by working in groups to answer questions

Biology 1/29/14 Mrs. TurgeonBiology 1/29/14 Mrs. Turgeon““Be a yardstick of quality. Some people aren’t used to an Be a yardstick of quality. Some people aren’t used to an environment where excellence is expected.” – Steve Jobsenvironment where excellence is expected.” – Steve Jobs

DO NOW:DO NOW:

1. Pass your worksheet forward that we completed 1. Pass your worksheet forward that we completed Friday. Make sure BOTH of your names are addedFriday. Make sure BOTH of your names are added

2. In your notes: What are the building blocks of the DNA strand called? Name the 3 parts.

AGENDA:

1.Students will understand basic DNA structure by working in groups

HOMEWORK:

T Notes 11.1 & 11.2 due Friday (12 entries each)

Biology 1/30/14 Mrs. TurgeonBiology 1/30/14 Mrs. Turgeon

““The quality, not the longevity, of one’s life is what is The quality, not the longevity, of one’s life is what is important.” – Martin Luther King, Jr.important.” – Martin Luther King, Jr.

DO NOW:DO NOW:

1. 1. In your notes: What is the term we use for two bases bonded together by a hydrogen bond?

AGENDA:

1.Students will understand basic DNA structure by working in groups

HOMEWORK:

T Notes 11.1 & 11.2 due Friday (12 entries each)

Study for content quiz

Biology 1/31/14 Mrs. TurgeonBiology 1/31/14 Mrs. Turgeon

““The quality, not the longevity, of one’s life is what is The quality, not the longevity, of one’s life is what is important.” – Martin Luther King, Jr.important.” – Martin Luther King, Jr.

DO NOW:DO NOW:

1. Pass forward T Notes (11.1 and 11.2)1. Pass forward T Notes (11.1 and 11.2)

2. 2. In your notes: If a DNA strand is made of 500 bases, & 100 of them are thymine, how many bases are cytosine?

AGENDA:

1.Students will demonstrate that they understand basic DNA structure by completing a quiz

Notes and TextbookNotes and Textbook

Today you will be taking notes using the Today you will be taking notes using the provided lazy notes.provided lazy notes.

You will also use our textbooks to answer You will also use our textbooks to answer questions with your partnerquestions with your partner

Please QUICKLY get one textbook per Please QUICKLY get one textbook per tabletable

DNA and GenesDNA and Genes

(Chapter 11)(Chapter 11)

History of DNAHistory of DNA

1800’s Mendel determined that offspring 1800’s Mendel determined that offspring inherited traits from parentsinherited traits from parents

1944 Biomolecule that was involved with 1944 Biomolecule that was involved with heredity was heredity was DNADNA (originally proteins were (originally proteins were thought to pass on traits because DNA thought to pass on traits because DNA was too simple)was too simple)

Rosalind Franklin Rosalind Franklin and and Maurice WilkinsMaurice Wilkins took took diffracted diffracted photographs of DNAphotographs of DNAX-rays were passed X-rays were passed through DNA crystals, through DNA crystals, the X-rays were bent the X-rays were bent by the atoms in the by the atoms in the DNA molecule DNA molecule producing an image producing an image of the shapeof the shape

1953 1953 Watson Watson & & CrickCrick developed a model of developed a model of DNA using the DNA using the diffraction diffraction photographsphotographs

Double HelixDouble Helix = DNA = DNA comes in 2 long comes in 2 long strands that wrap strands that wrap around each other, around each other, “spiral staircase”“spiral staircase”

Turn to page 283Turn to page 283

Look at figure 11.2 (don’t forget to read the Look at figure 11.2 (don’t forget to read the caption!)caption!)

Answer the following question and be Answer the following question and be ready to share with the class!ready to share with the class!

1. what is another analogy used for the 1. what is another analogy used for the shape of DNA (besides a spiral staircase)shape of DNA (besides a spiral staircase)

Why is DNA so important?Why is DNA so important?

DNA is known as DNA is known as “blueprint of life”“blueprint of life”

DNA contains DNA contains instructions for instructions for making making proteinsproteins within the cellwithin the cell

Genes Genes are on our are on our chromosomeschromosomes, , chromosomes are chromosomes are made of made of DNADNA

Turn to page 281Turn to page 281Read the paragraph with the heading Read the paragraph with the heading What is What is DNA?DNA?

Answer the following question and be ready Answer the following question and be ready to share! to share! 1. List 3 places in your body that contain 1. List 3 places in your body that contain proteinsproteins

2. Enzymes are a type of protein. Why do we 2. Enzymes are a type of protein. Why do we need them?need them?

http://learn.genetics.utah.edu/content/begin/tour/

Why is DNA so important? Why is DNA so important?

Important for all life Important for all life on Earth, makes each on Earth, makes each individual plant or individual plant or animal uniqueanimal unique

Helps us understand Helps us understand diseases better & find diseases better & find potential curespotential cures

Better food cropsBetter food crops

2/13/15 BIOLOGY MRS.TURGEON

“You have brains in your head. You have feet in your shoes. You can steer yourself in any direction you choose.” – Dr. Seuss

OBJECTIVES SWBAT:Identify the key components of DNA

DO NOW:what type of chemical bond is between

the complementary base pairs in DNA?

2/13/15 BIOLOGY MRS.TURGEON

REMINDERS:1.Tutoring Tues & Thur after school(rm 309)

2. Field trip form must be turned in today

3. Foldable 11.1 due Tuesday, Feb. 17

TODAY’S ASSIGNMENT:

1.In the textbook, read section 11.1

2.Answer questions 1-5 in the section assessment on page 287

3.Each student completes your own questions

4.Turn in the questions and work on your foldable for 11.1 (12 entries minimum)

2/12/15 BIOLOGY MRS.TURGEON

REMINDERS:1.Tutoring Tues & Thur after school(rm 309)

2. Field trip form must be turned in today

3. Foldable 11.1 due Tuesday, Feb. 17

TODAY’S ACTIVITY:

1.Work in POGIL groups

2. Put together DNA model according to instructions

3. You will turn in one model per group

DNA NucleotidesDNA Nucleotides

DNA is a DNA is a nucleic acid nucleic acid made from subunits made from subunits called called nucleotidesnucleotides

NucleotideNucleotide = 3 parts: = 3 parts: five-carbon sugar, five-carbon sugar, phosphate group, phosphate group, nitrogenous basenitrogenous base – DeoxyriboseDeoxyribose = the = the

sugar in a DNA sugar in a DNA nucleotidenucleotide

How the Double Helix stays How the Double Helix stays togethertogether

Double HelixDouble Helix has two has two strands that twist strands that twist together together

One strand of DNA is One strand of DNA is like one half of a zipperlike one half of a zipper– The backbone of the

molecule is alternating phosphates and deoxyribose sugar

– The teeth are nitrogenous bases

phosphates

deoxyribose

bases

One strand of DNA One strand of DNA (half of a zipper) is a (half of a zipper) is a polymerpolymer of of nucleotidesnucleotides

One strand of DNA One strand of DNA has millions of has millions of nucleotidesnucleotides

Nitrogenous BasesNitrogenous Bases

DNA has four different basesDNA has four different bases

CytosineCytosine CC

ThymineThymine TT

AdenineAdenine AA

GuanineGuanine GG

2 kinds of 2 kinds of Nitrogenous BasesNitrogenous Bases

PurinesPurines = double ring = double ring bases, bases, A and GA and G

PyrimidinesPyrimidines = single = single ring bases, ring bases, T and CT and C

Complementary BasesComplementary Bases

Nitrogenous bases Nitrogenous bases on the 2 strands of on the 2 strands of DNA pair up with DNA pair up with one anotherone anotherCytosineCytosine pairs with pairs with GuanineGuanine with 3 with 3 (triple) Hydrogen (triple) Hydrogen BondsBondsAdenine Adenine pairs with pairs with ThymineThymine with 2 with 2 (double) Hydrogen (double) Hydrogen BondsBonds

Turn to page 283Turn to page 283

Read the Read the Problem-Solving Lab 11.1Problem-Solving Lab 11.1

Answer the 3 “thinking critically” questions. Answer the 3 “thinking critically” questions. Write your answers on the back of your Write your answers on the back of your lazy notes. lazy notes.

You have 5 minutesYou have 5 minutes

DNA ModelDNA Model