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CH 10.1Bacteria & Archaea
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Unit
CA Content Standards Covered In This Unit
Ch 5-2 & 5.3 Quiz: Punnett Squares & Traits 1/15/15
Chapter 5 Vocabulary 1/5/15
Unit 1: Ch 5.1 Mendel & His Peas Notes 1/6/15
Unit 1: Ch 5.1 Mendel & His Experiments Notes 1/6/15Unit 1: Ch 5.1 Mendel & His Experiments WKST & HMWK 1/6/15
Unit 1: Ch 5.1 Mendel & His Ratio WKST & HMWK
Unit 1: Ch 5.1 Mendel & His Ratio Notes
Ch 5.1 Quiz: Mendel, Peas and Ratios Trait Survey Packet (Lab)
Section 5.1 Review #1-4, 7, 8-9 p. 119Ch 5.2: Traits & Punnett Square Notes
Ch 5.2: Traits & Punnett Square WKST & HMWK
Ch 5.3: Meiosis NotesCh 5.3: Meiosis Activity (WKST) & HMWKCh 5.2 Section Review p. 125 #1,3,4,6,7-9
Family Portrait Activity-Probability of Genes
Finger Print Activity 1/5/15
Ch 5.3 Section Review p.133 #2-4,5-6,8,9
Ch 5.3 Quiz: Meiosis & Pedigrees
1/22/15
1/22/15
Pedigree Worksheet & Homework 1/22/15
“Bug Builder” Lab Activity 1/22/15
Ch 6 Vocabulary 1/26/15Ch 6.1 DNA Structure Notes 1/26/15
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My List of Academic ToolsCh 6.1 DNA Structure & Copies Notes 1/26/15
DNA Structure WkSt and HmWk 1/26/15
Extracting DNA Lab 1/29/14
Copying DNA Worksheet (in class) 1/28/15
6.1 Section Review p. 147 #1-7 1/29/15
6.1 Quiz DNA Structure & Copies 1/29/15
Ch 6.2 Notes: How DNA Works 2/3/14 How DNA Works Worksheet 2/3/14 Ch 6.2 Directed Reading 2/5/14 Ch 6.2 Section Review pp. 155 #1-5, 7-11 2/6/15 Mutations Worksheet 2/6/15
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What is a prokaryote?
A prokaryote is a single-celled organism that doesn’t have a nucleus or membrane-bound organelles.
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Unit
CA Content Standards Covered In This Unit
Ch 10 Vocabulary 2/17/15Ch 10.1 Bacteria & Viruses Notes 2/17/15Ch 10.1 Bacteria Worksheet & Homework 2/17/15
Chapter 10 Vocabulary
• Binary fission: a form of asexual reproduction in a single-celled organism by which one cell divides into two
• Endospores: a thick-walled protective spore that forms in a bacterial cell and resists harsh conditions
10.1: Bacteria & Archaea
• There are 2.1 billion bacteria in 1 gram of soil!
• All living things fit into 3 domains:
• (1) Bacteria,
• (2) Archaea
• (3) Eukarya
10.1: Bacteria & Archaea
• There are more bacteria on Earth than any other living things combined.
10.1: Bacteria
• Bacteria come in all shapes and sizes
• Inside surgeon fish
10.1: Bacteria Shapes
• Three most common shapes of bacteria:
• (1) Bacilli
• (2) Cocci
• (3) Spirilla
10.1: Bacteria Shapes
• (1) Bacilli
• rod-shaped
• large surface area: good to absorb nutrients
10.1: Bacteria Shapes
• (2) Cocci
• spherical
10.1: Bacteria Shapes
• (3) Spirilla
• long, and spiral-shaped
• use flagella to move
10.1: Bacteria Reproduction
• Steps of Binary Fission
• (1) Cell Grows
• (2) The DNA is copied and attached to the cell membrane
• (3) The DNA and its copy separate as the cell grows larger
• (4) The cell splits in two. Each new cell has a copy of the DNA
10.1: Bacteria & Endospores
• Bacteria like warm, moist environments.
• When in cold, dry environments, bacteria can sometimes form endospores.
10.1: Bacteria Classification
• Bacteria are classified by the way they obtain (get) food.
• Consumers, producers, decomposers
10.1: Bacteria Classification
• Cyanobacteria:
• producers
• live in water
• contain chlorophyll
10.1: Archaea
• Three Main Types:
• (1) heat lovers
• (2) salt lovers
• (3) methane makers
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What is a prokaryote?
A prokaryote is a single-celled organism that doesn’t have a nucleus or membrane-bound organelles.
Bacteria reproduce similar to the steps of mitosis. What is it called when bacteria multiple in numbers?
This process is called binary fission.
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Unit
CA Content Standards Covered In This Unit
Ch 10 Vocabulary 2/17/15Ch 10.1 Bacteria & Viruses Notes 2/17/15Ch 10.1 Bacteria Worksheet & Homework 2/17/15Ch 10.1 Bacteria’s Role in the World Notes 2/18/15
Chapter 10 Vocabulary
• Bioremediation: using microorganisms to change harmful chemicals into harmless ones
• Antibiotics: medicines used to kill bacteria and other microorganisms
• Pathogenic bacteria: bacteria that cause disease
10.2 Bacteria’s Role in the World
• Bacteria live in the water, food, and our bodies.
10.2 Bacteria’s Role in the World
• Bacteria are good for:
• (1) The Environment
• (2) People
10.2 Bacteria’s Role in the World
• The Environment
• Help recycle dead animals & plants
10.2 Bacteria’s Role in the World
• The Environment
• Nitrogen cycle
• Nitrogen makes up 78% of the air
• Plants need bacteria to change nitrogen into a form they can use “Nitrogen fixation”
10.2 Bacteria’s Role in the World
• The Environment
• Recycling: decomposers
10.2 Bacteria’s Role in the World
• The Environment
• Cleaning Up: bioremediation
• Helps clean up hazardous wastes, oil spills, and removes pollutants from the air
10.2 Bacteria’s Role in the World
• Bacteria are good for:
• (1) The Environment
• (2) People
10.2 Bacteria’s Role in the World
• People
• In food: cheese, yogurt, buttermilk, sour cream
• Lactic-acid producing bacteria break down sugar in milk (lactose)
• Lactic acid preserves food and gives food flavor
10.2 Bacteria’s Role in the World
• People
• Medicines: insulin
• People with diabetes don’t have enough insulin to break down sugar
• 1970: put genes in bacteria so bacteria could make human insulin
10.2 Bacteria’s Role in the World
• People
• Genetic Engineering: changing the genes in a organism
• Insert genes in bacteria to produce insecticides, cleansers, and adhesives
10.2 Bacteria’s Role in the World
• Harmful bacteria:
• Get inside a host organism and take nutrients from the host
10.2 Bacteria’s Role in the World
• Harmful bacteria:
• Can infect plants, grain, and produce
10.2 Bacteria’s Role in the World
• Cancer research: pGLO gene
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List two ways bacteria benefit the environment or people, and list two ways bacteria can be harmful.
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Unit
CA Content Standards Covered In This Unit
Ch 10 Vocabulary 2/17/15Ch 10.1 Bacteria & Viruses Notes 2/17/15Ch 10.1 Bacteria Worksheet & Homework 2/17/15Ch 10.1 Section Review 2/18/15Bacteria Growth Lab 2/18/15Ch 10.3 Virus Notes 2/23/15
Ch 10.3 Virus Infection Lab 2/24/15
Ch 10.3 Virus Worksheet & Homework 2/24/15Ch 10.3 Section Review p. 259 #1-4 & 6-8 2/24/15Ch 10 Quiz (Bacteria & Viruses) 2/26/15
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Write one or two things you already know about viruses.
What is the definition of a virus?
A virus is a microscopic particle that enters and destroys a host cell. It is considered to be both living and non-living.
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SUBSTITUTE
What are the steps of the lytic cycle? (i.e. how do viruses infect human cells?)
(1)The virus attaches to a host cell and injects it’s DNA (2)The host cell becomes a virus “factory" (3) Too many viruses are made in the cell, and the cell bursts (4)Viruses are release to invade new host cells
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Unit
CA Content Standards Covered In This Unit
Ch 10 Vocabulary 2/17/15Ch 10.1 Bacteria & Viruses Notes 2/17/15Ch 10.1 Bacteria Worksheet & Homework 2/17/15Ch 10.1 Section Review 2/18/15Bacteria Growth Lab 2/18/15Ch 10.3 Virus Notes 2/23/15
Ch 10.3 Virus Infection Lab 2/24/15
Ch 10.3 Virus Worksheet & Homework 2/24/15Ch 10.3 Section Review p. 259 #1-4 & 6-8 2/24/15Ch 10 Quiz (Bacteria & Viruses) 2/26/15
Chapter 10 Vocabulary
• Virus: a microscopic particle that gets inside a cell and destroys the cell (living and non-living)
• Host: an organism from which a parasite takes food or shelter
Ch 10.3: Viruses
• Many viruses can cause diseases: cold, flu
• Viruses are smaller than bacteria
• *5 billion viruses particles can fit in a single drop of blood
Ch 10.3: Viruses
• *Scientists don’t know how many types of viruses exist
• *Their characteristics make them difficult to fight
Ch 10.3: Viruses
• Are Viruses Living?
• Like living things, viruses contain protein and genetic material.
• BUT, they can’t eat, grow, break down food or use oxygen on their own
Ch 10.3: Viruses
• Classifying Viruses:
• Shape
• Type of disease
• Life cycle
• Genetic material
Ch 10.3: Viruses
• Shapes of Viruses
• (1) Crystals (polio)
• (2) Cylinders (plants)
• (3) Spheres (flu)
• (4) Spacecraft (kills bacteria)
Ch 10.3: Viruses
• Parts of a virus:
• (1) genetic material
• (2) protein coat
Ch 10.3: Viruses
• The protein coat protects the genetic material and helps a virus enter a host cell.
• Sometimes similar coating as host cells
Ch 10.3: Viruses
• Viruses have either DNA or RNA
• Warts, Chicken pox: DNA
• Colds, Flu: RNA
Ch 10.3: Viruses
• The Lytic Cycle
Ch 10.3: Viruses
• Viruses use host cells as factories to make more viruses within cells until they burst.
• When they burst, all of the new viruses are released, and find new host cells to “take over”
Ch 10.3: Viruses
• Some virus DNA stay in cells and are not activated for a while.
Ch 10.3: Viruses
• Treatments:
• Antiviral medication (stop viruses from reproducing)
• Many viruses do not have cures