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11/1 & 11/2 - 7th Grade Agenda
Learning Objective: Learn about chemical in cellsCollect: Chap 3 Section 1 & 2 Reading GuideCollect: Signed Grade PrintoutChap 2 Test for absent studentsReaction LabVideo: VisionClass Reading p.97-101HW: Reading & Note Taking p. 61 - 64Reminder HW: Cell Model due 11/7 & 11/8 Last day to turn in Late work for 1st Quarter 11/7 & 11/8
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Reflection
• Describe 2 differences between plants and animal cells
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A tiny cell structure that carries out specific function
within the cell is called _____________Organelle
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The _________ is a rigid layer of nonliving material that
surrounds the cells of plants and some other organisms
Cell Wall
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The ____________ controls what substance come into
and out of a cell
Cell Membrane
Cell’s Doorway
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The ____________ is the cell’s control center, directing all of
the cell’s activities
Nucleus
Brains of the Cells
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The _____________ are called the powerhouses of the cell because they
produce most of the energy the cell needs to carry out its functions
Mitochondria
Powerhouse
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The _________________ are passageways that carry proteins
and other materials from one part of the cell to another.
Endoplasmic Reticulum
Freeway of the Cells
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The ________ are small grain like bodies which are attached to the outer surface of the endoplasmic reticulum. that act like factories to
produce proteins
Ribosomes
Protein Factory
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The ___________ can be thought of as the cell’s mailroom. It receive proteins from
endoplasmic reticulum and distribute them to other parts of the cell.
Golgi Bodies
Mailroom
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The __________ are only found in plants. It capture energy from
sunlight and use it to produce food for the cell.
Chloroplasts
Solar Cells
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The ________ are water filled sac floating in the cytoplasm. It act as the storage
area of the cell.
Vacuoles
Storage Area
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The ________ are small round structures that contain chemicals
that break down large food particles into smaller ones
Lysosomes
Cell’s Cleaner
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What are cells and organelles made out of?
• Chemicals
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What are chemicals made out of?
• Comp_________• Can you give me
examples of compounds?
• Water, Sugar, Alcohol, Carbon Dioxide
ounds
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Compound
• When two or more elements comb_____ chemically, they form a compound
ine
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Elements• Element is any
substance that cannot be br_______ down into simpler substance.
• Can you give me an example of an element?
• Gold, Hydrogen, Oxygen, Carbon, Nitrogen, Iron
oken
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Compound
• Carbohydrates, lipids, proteins and nucleic acids are important groups of organic com_____________ in living things
pounds
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Organic Compounds vs Inorganic Compounds
• What is the difference between organic and inorganic compounds?
• Organic compounds have the element carbon (and Hydrogen).
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Carbohydrates
• A carbohydrate is an en______ rich organic compound made up of car______, sugar and oxygen.
• Carbohydrates are used to fuel our body
• Sug____ and starches are examples of carbohydrates.
ergy
ars
bon
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Lipids = Fat
• Lipids are ene______ rich organic compounds made of car______, hydrogen and oxygen
• Lipids are used by our ner____ cells
• Fats, oils and waxes are all lipids
rgy
bon
ve
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Proteins• Proteins are large organic
molecules made of car_____, hydrogen, oxygen, nitrogen.
• Proteins are used to build mus_____, skin and bone cells
• Food that are high in protein include me___, eggs, fi_____, nuts and beans
atsh
bon
cle
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Enzymes
• An enzyme is a type of protein that speeds up a che______ reaction in a living thing.
• For example, enzymes in your saliva speed up the dige______ of food.
mical
stion
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Nucleic Acids
• Nucleic acids contain the inst________ that cells need to carry out all the functions of life.
• DNA and RNA are Nucleic Acids
ructions
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What are the organic compounds found in cells?
• Carboh______
• Lip_____
• Pro_____
• Nuc______ Acid
ydrates
ids
tein
leic
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Pant and Animal Cells
• PHSchool.com
• Web Code: cep-3012