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Liceo classico “Gonzaga” MilanoScience course From Prokaryotes to Eukaryotes Teacher Maria Elena Scortecci UTILIZZARE SPAZIO PER INSERIRE FOTO/IMMAGINE DI RIFERIMENTO LEZIONE
diafragm and condenser lensMicroscope eye pieces revolver stage focus knob diafragm and condenser lens light source
Scientific classificationProkaryotes (bacteria and archaea) unicellular (cell size 1-10 µm) no nucleus (karyon) and organelles special cell wall single circular cromosome + plasmids aerobic or anaerobic reproduction by fission
(amoeboroa, fungi, animalia, plantae)Scientific classification Eukaryotes (amoeboroa, fungi, animalia, plantae) uni-multicellular (cell size µm) several pairs of chromosomes in a nucleus many organelles only aerobic sexual reproduction 4
How to observe cells pipettes blotting paper waterdye (i.e. methylene blue) coverslips microscope slides paddle
Eukaryotes animalia (human buccal mucosa)round cells small blue nucleus cytoplasmic membrane cytoplasm organelles 6
Prokaryotes bacteria (lactobacillus) from yoghurtvery small cells: 2 µm long form filaments metabolize lactose produce lactic acid no organelles 7
Eukaryotes fungi (saccharomyces cerevisiae) from brewer yeastoval cells nucleuses dividing cells by budding use glucose to produce energy, breathing oxigen 8
Eukaryotes plantae (pelargonium) prismatic cells in mutual contactstiff typical organelles: chloroplasts, chromoplasts, amyloplasts no dye, because they are naturally stained cells photosynthetic cells: CO2 + H2O glucose + oxygen 9
cyclamen leaves, with stomata and puzzle shapeEukaryotes plantae cyclamen leaves, with stomata and puzzle shape 10
Eukaryotes plantae onion cell 11
stomata cells in SetcraseaEukaryotes plantae stomata cells in Setcrasea 12
Eukaryotes plantae tracheides in fennel 13
Copyright 2012 © eni S.p.A. 14 14
Standard IX- Five and Six Kingdom Classifications (2 questions)
Study of Biology.
Discovery of Cells.
The Cell in Action Guided Notes.
Photosynthesis & Cellular Respiration
Today’s Objectives TSW distinguish between plant and animal cells and diagram them. TSW distinguish between prokaryotes and eukaryotes.
Photosynthesis VS Respiration
Are plant and animal cells the same or different?
Mrs. Feorino 7th Grade Science P.S. DuPont Middle School
2.1 Cell Structure & Microscopy 1 Follow-Me – iQuiz.
Objectives Chapter 7 Cell Structure. Microscopes are used to make cells look bigger The Compound Microscope The first person to discover microscopic.
Cell Structure General Bio Copyright 2009, John Ireland.
Agenda 8/20/07 1. Go over “Inside the Cell” Handout 2. Types of Cells - Notes 3. Cell Types Worksheet (p 66-74) Warm-Up Question 8/20/07 1.Name 3 parts.
The Six Kingdoms of Life. EUBACTERIA This is a kingdom of single-celled prokaryotes that have been around in similar forms since the beginning of life.
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.
Classifying Prokaryotes and Eukaryotes
Differences and Similarities Why do we put that there?
Michigan High School Science Meap Test Biology Review.
COMPARING PROKARYOTES & EUKARYOTES. PROKARYOTESEUKARYOTES CYTOPLASM Cell Membrane DNA Always single- celled No Nucleus DNA is a simple, Single loop Small.
Notes: Prokaryotes vs. Eukaryotes From Chapter 4 in your book.
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