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OPENER. Have you ever wondered why flamingos are pink or orange? You've probably heard it has something to do with what flamingos eat, but do you know what exactly it is that produces the color?.
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OPENER Have you ever wondered why flamingos are pink or orange? You've probably heard it has something to do with what flamingos eat, but do you know what exactly it is that produces the color?
Flamingos are pink or orange or white depending on what they eat. Flamingos eat algae and crustaceans that contain pigments called carotenoids. For the most part, these pigments are found in the brine shrimp and blue-green algae that the birds eat. Enzymes in the liver break down the carotenoids into the pink and orange pigment molecules deposited in the feathers, bill, and legs of the flamingos. Flamingos that eat mostly algae are more deeply colored than birds that eat the small animals that feed off of algae. Captive flamingos are feed a special diet that includes prawns (a pigmented crustacean) or additives such as beta-carotene, otherwise they would be white or pale pink. Young flamingos have gray plumage that changes color according to their diet. People eat foods containing carotenoids, too. Examples include beta-carotene in carrots and lycopene in watermelon, but most people do not eat enough of these compounds to affect their skin color.
Tuesday Agenda Literacy objectives: Writing to take notes and explain one’s thinking. Content Objective: TSWBAT compare prokaryotes and eukaryotes and identify various organelles. Framework: Cells Agenda: 1. Collect animal cell labeling/attendance and opener. 2. Cell PPT/cells diamond foldable 3. Closer: cell city and for homework create your own analogy 4. 3D cell due Friday!!!!!!!!!
The Cell The Basic Unit of Life Magic School Bus Goes Cellular - YouTube
Water Chemical Formula for water is H2O Water molecules are held together by hydrogen bonds Water is a polar molecule Polar molecule – molecule with unbalanced charges. Partially positive end and partially negative end Nonpolar molecule – molecule with balanced charges
Solutions Solution – a homogeneous mixture of two or more substances Solute – the substance dissolved in a given solution. Solvent - a substance that dissolves another to form a solution Hydrophobic – repelling, tending not to combine with, or incapable of dissolving (insoluble) in water. Hydrophilic - having an affinity for (loving) water; readily absorbing or dissolving (soluble) in water.
pH pH is a measure of the acidity or basicity of an aqueous solution. Water breaks down into H+ and OH- BASE ACID More H+ in the solution More OH- in the solution
Water and pH in Living Organisms Homeostasis– the body maintaining a constant internal environment in a changing external environment. • Regulated Conditions • Temperature • Water volume • pH • Glucose concentration • Salt concentration
Cell membrane Cytoplasm Cell membrane Cytoplasm Internal Organization of the Cell Prokaryote vs EukaryoteProkaryotic and eukaryotic cells.flv - YouTube Prokaryotic Cell Eukaryotic Cell Nucleus Organelles
Prokaryotic Examples ONLY Bacteria
EUKARYOTIC CELLS Two Kinds: Plant and Animal
Animal Cell Under the Microscope Cheek Cell
Eukaryotic Plant Cell Section 7-2
Plant Cell Under the Microscope Elodea Cell
Internal Organization • Eukaryotic cells contain organelles. • Specialized structures within the cell that perform specified functions for the cell.
THURSDAY OPENER • Create a Venn Diagram comparing prokaryotes and eukaryotes • Prokaryotes Eukaryotes BOTH
THURSDAY: CELL ORGANELLES AND FUNCTIONS • Literacy objectives: • Writing to take notes and explain one’s thinking • Content objective: • TSWBAT understand how the cell organelles function • Agenda: • Opener • Attendance • 3D cells are DUE TOMORROW!!!!!!! • Cell organelle ppt CREATE TRADING CARDS • VENN DIAGRAMS/organelles function worksheet for homework • CLOSER: word splash
Trading cards • 1. You will need 16 note-cards. • 2. Your notes-cards need to have one hole punched in the upper right hand corner. • 3. You will take notes on your cards. • 4.The front of the card will have the name of the organelle and a picture • The back will have the function of the organelle
TRADING CARDS • FRONT: • MITOCHONDRIA • BACK: (function) • Mitochondria are rod-shaped organelles that can be considered the power generators of the cell, converting oxygen and nutrients into adenosine triphosphate (ATP).
Plasma (Cell) Membrane • The boundary of the cell. • Two layers of phospholipids and one layer of protein. • Allows different substances in and out of the cell
CYTOPLASM Gel-like substance residing inside the cell membrane holding all the cell's organelles in place
The Nucleus • Houses the DNA • Has pores to let the RNA leave • Center of the nucleus is a nucleolus = makes ribosomes
Ribosomes • Small non-membrane bound organelles. • Makes proteins • Can be free or attached to ER
ENDOPLASMIC RETICULUM • Complex network of transport channels. • Two types: • Smooth- ribosome free and functions in poison detoxification. • Rough - contains ribosomes and releases newly made protein from the cell. Smooth Endoplasmic Reticulum
GOLGI APPARATUS • A series of flattened sacs that modifies, packages, stores, and transports materials out of the cell. • Works with the ribosomes and Endoplasmic Reticulum.
Lysosomes • Help digest waste inside the cell.
Centrioles Found only in animal cells Helps build cilia and flagella Helps cell divide
Cytoskeleton • Acts like a skeleton and gives the cell its shape.
MITOCHONDRION • Produces the cells energy compound, ATP
THE CHLOROPLAST • Contains chlorophyll (green pigment) • Found only in plants and algae. • Captures light so the plant can photosynthesis
Cilia and Flagella Cilia: short hair like projections used by animal cells for movement Flagella: a tail-like projection used for locomotion.
Pseudopod • A temporary projection of the cytoplasm of certain cells. • Phagocytes – used for engulfing cells • Unicellular organisms, especially amoebas -serves in locomotion
The Vacuole • Sacs that help in food digestion or help the cell maintain its water balance. • Found mostly in plants and protists. • Plants have large central vacuole for water storage.
Cell Wall • Extra structure surrounding the plasma membrane in plants, algae, fungi, and bacteria. • Plants - Made of Cellulose • Fungi - Made of Chitin • Bacteria - Made of Peptidoglycan • Algae – Varied components
Compare and Contrast Prokaryotes Eukaryotes Linear DNA Nucleus Endoplasmic reticulum Golgi apparatus Lysosomes Vacuoles Mitochondria Cytoskeleton Circular DNA No nucleus Capsule Cell membrane Contain DNA Ribosomes Cytoplasm Flagella
Venn Diagrams Central Vacuole Cell Wall Chloroplasts Compare and Contrast Animal Cells Plant Cells Cell membrane Ribosomes Nucleus Endoplasmic reticulum Golgi apparatus Vacuoles Mitochondria Cytoskeleton Centrioles Lysosomes Cilia Flagella
Cell Types (Review) Eukaryotic 1. Contains a nucleus and other membrane bound organelles. 2. Rod shaped chromosomes 3. Found in all kingdoms except the Eubacteria and Archaebacteria Prokaryotic 1. Does not contain a nucleus or other membrane bound organelles. 2. Circular chromosome 3. Found only in the Eubacteria and Archaebacteria Kingdoms
INSIDE THE CELL • CLOSER: • Word splash • Write down as many words as you can as you watch the video clip..