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Cell Size From Smallest to l a rgest + Prokaryotic Cells
Kind of CellSize (approximate) Bacteria(E. coli) 1 um Red Blood Cell 8 um Elodea epidermal cell 65 um Amoeba 700 um Hen's egg 50,000 um
Smallest Cells Mycoplasmas bacteria µm
Largest Cells *Ostrich Egg Chicken Egg
Metrics 1 cm = 0.01 m (10 -2 )m centimeter 1 mm = m (10 -3 )m millimeter 1 µm = m (10 -6 )m micrometer 1 nm = m (10 -9 )m nanometer 1 Å = m ( ) Angstrom
Longest Cells Muscle and Nerve Cells
Form and Function Nerve Long to send impulses
Form and Function Muscle Move bones
Form and Function Blood Cells Smooth, travel through blood vessels
Form and Function Skin Cell Flat top for protection Cube for cushion
As cells get larger, the surface area to volume ratio ______________________ (increases/decreases). decreases
Contrasting Nucleoid and Nucleus
Which are bigger? Prokaryotic cells µm in size Eukaryotic cells µm in size
Cocci (spherical) Bacilli (rod) Spiral
Cyanobacteria Note the color: green
Bacteria Capsule Sticky to adhere to surfaces
Swimming Bacteria How Bacteria SwimHow Bacteria Swim (animation link) and also one at bottom
Microscopic Size The Spectrum of Microorganisms. Cell Size ► The smallest objects visible to the unaided eye are about 0.1 mm long Amoeba Human egg.
WORLD OF LIVING ORGANISMS. Why has it taken too many years to reveal structure of cell? Insufficient microscobe technology Usage of observation instead.
“…For every living organism is, or at some time has been, a cell.” E.B. Wilson, 1925 Why Study Cell Biology?
More cell review. Best Microscopes For? View living organisms under 1000 X? View surfaces, dead organisms 1000X - 1,000,000X? View internal structures.
TYPES OF CELLS We have more than 200 types of cells in our bodies. There isn’t really such a thing as a typical cell. Different cells are specialized for.
Chapter 10 – Cell Size, Mitosis and Cancer. Cells come in a variety of sizes… Red blood cells = 9 micrometers Nerve cells (large animals) = 1m (with small.
Tour of the Cell. Robert Hooke ( ) Robert Hooke : examined thinly sliced cork and coined term “cell”
1 Cells Chapter 7 p22 Warm up: write down 3 things you already know about cells. CellsCells are the basic units of organisms Basic types of cells: Animal.
AP Biology Basic Cell Structure. Cells These are considered to be the basic unit of life. The cell is an example of Emergent Properties. If you only have.
What Are Cells?. What are Cells? 1. A cell is a basic unit of structure and function in all living things; therefore, all living things are made up of.
Plate 10 The Spectrum of Microorganisms. Cell Size ► The smallest objects visible to the unaided eye are about 0.1 mm long Amoeba Human egg Paramecium.
The Cell. Definition of Cell note: only write down text in red A cell is the smallest unit that is capable of performing life functions.
OBJECTIVES Define the cell cycle. Describe the four phases of the cell cycle. Define the cell cycle. Describe the four phases of the cell cycle.
Prokayotic vs Eukaryotic Cells Functional Anatomy.
Cells: The Basic Units of Life Section 1: The Diversity of Cells.
Copyright © 2009 Pearson Education, Inc. PowerPoint Lectures for Biology: Concepts & Connections, Sixth Edition Campbell, Reece, Taylor, Simon, and Dickey.
Cell Structure and Function Kandinsky ( ).
CELL THEORY & CELL DIVERSITY An intro to the CELL!
Today’s Lecture Summary: Microscopes A Tour of the Cell.
February 23, 2015 Aim #09: How do cells arrange themselves? Do Now: Read page 52 in text How long is a single nerve cell in your leg?? Which is bigger,
Pg. 68. Observed the first cells; dead plant cells (cork) Coined the term “cell”
Diana Carvajal August LeaYe9b6DpWQa5EnlY_oZHbJGcx_00w
Cell Theory Timeline. What is a cell? The basic unit of structure and function of life.
COMMON CELL TRAITS A cell is the basic unit of all living organisms.
Functions of Cells. Things to Know The shape and size of a cell are related to its function. What does that mean? The shape of the cell helps it perform.
Introduction to Cell Biology Part 1: Cell Theory, Compartmentalization, Cell Type Cell Geography, Cell Size.
Back to cells … IB topics Relative sizes Some organelles can be seen with the light microscope, others cannot We need an electron microscope.
4-2: Introduction to Cells. Cell Diversity (cont.) Shape – The shape of the cell reflects the function of the cell (“form follows function”) Examples:
Cell Basics Introduction to Cells A. Cells are the basic units of organisms B. Cells can only be observed under a microscope C. Basic types of cells:
10 m 1 m 0.1 m 1 cm 1 mm 100 µm 10 µm 1 µm 100 nm 10 nm 1 nm 0.1 nm Atoms Small molecules Lipids Proteins Ribosomes Viruses Smallest bacteria Mitochondrion.
Cell Structure. All cells have the following parts: Cell Membrane- a thin coat of phospholipids that surround the cell. Creates a boundary between the.
Cell Unit Warm-ups. True or False Cells are the smallest unit of life.
Cell Size and the Cell Cycle Chapter 5, Section 1 In your textbook.
Mindstretcher 1. How many Cells does an Egg have?? ONE 2. ___________________ limits the size of a cell. Surface area-to-volume ratio 3. Leeuwenhoek viewed.
Cells Objectives: 1. Learn about the discovery of the cell. 2. Describe the three parts of the cell theory. 3. Compare and contrast eukaryotic and prokaryotic.
Cell Division When do cells divide? How do cells divide? What is Meiosis? How do Chromosomes combine and form new chromosomes?
CELLS. A cell is the smallest basic unit of matter that can carry on the process of life.
1. Cells are called the of life. 2. How many cells make up our bodies? 3. What does DNA stand for? 4. What is mitosis? 5. Explain how we get more cells.
LE 7-2 Hydrophilic head Hydrophobic tail WATER. LE 7-3 Hydrophilic region of protein Hydrophobic region of protein Phospholipid bilayer.
The Cell Oops, different type of cell. The Cell There that’s better!
The theory and characteristics. Domains and Kingdoms 3 Domains: Bacteria Archaea Eukarya.
Surface Area: Volume Ratio Lab Think about your cell city…(think/pair/share) What is your nucleus? How many people or beings could be supported by your.
Prokaryotic vs Eukaryotic Cells Honors Biology. 2 LEVELS OF ORGANIZATION Nonliving Levels: 1.ATOM (element) 2.MOLECULE (compounds like carbohydrates &
Cells. How do we study cells? Light Microscope: Magnify about 1000 times Electron Microscope: uses electron beams and magnifies 1,000,000 times. Used.
Do Now: Use your notes and hw 1.What are the 3 shapes of bacteria? 2.What is the function of the capsule? 3.What is a nucleoid?
TYPES OF CELLS pp Prokaryotic TWO TYPES OF CELLS.
Click here to see The Inner life of the cell. I. Cell Structure + Function Ch. 3 pg. 47 A. Cell Theory 1.All living things are made of cells 2.All cells.
The Amazing Creation of Life Cells - Tissues - Organs - Organ Systems.
Bacteria Notes Page 266. Bacteria: Prokaryotes, so single- celled organisms without nucleus and other organelles like mitochondria.
MICROBES Chapter 11. Standard Course of Study 6.03: Compare the life functions of protists. 7.01: Compare and contrast microbes. Students will be.
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