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The Cell & Mitosis Exercise 4
Anatomy of a Typical Animal Cell
The Plasma Membrane
Functions of membrane proteins
More functions of membrane proteins
Second messenger system: cyclic AMP
Cellular connections: tight junctions
Diffusion: a passive process
Diffusion: Simple & Facilitated
Active Transport: The Na+/K+ Pump
Symport: Two solutes moving togetherNa+ & glucose move by secondary active transport
Vesicular transport: exocytosis
Phagocytosis: Cellular “eating”
Bulk-phase endocytosis or “pinocytosis”Also thought of as cellular drinking.
Receptor mediated endocytosis
The Na+/K+ Pump
Mitochondria: Powerhouses of the cell
Rough endoplasmic reticulum: cellular protein factories
Golgi apparatus: packaging & distribution
Summary of the pathways of products of the cell
Movement within the cell a.
Movement within the cell b.
Structure of a Cilium
Cilia move things by a wave-like action …
… things like mucus!
Nucleus: control center of the eukaryotic cell
Careful packaging of Chromosomes
Mitosis and the associated phases
Semiconservative replication of DNA
Telophase: defined by the presence of a cleavage furrow & Cytokinesis
Chemical signals controlling cell division: the cell cycle
Cell cycle continued
Protein synthesis: transcription
Codons: the 3 letter language of amino acids
Ribosomal RNA: the workshop of protein building
Summary of the steps of protein synthesis
Protein degradation: the end of the line
HUMAN ANATOMY Fifth Edition Chapter 1 Lecture Copyright © 2005 Pearson Education, Inc., publishing as Benjamin Cummings Chapter 2 Lecture Chapter 2 The.
Chapter 3 Cells.
The Human (Animal) Cell. Cell Membrane Responsible for controlling what substances go into and out of the cell Think of a screen door…
Chapter 3 - Cells: The Living Units
The Cell & Mitosis. The Cell: Fundamental Unit of Life Life as we define it consists of cells All cells arise from previously existing cells Organisms.
Cell Structure and Functions Cell Structure and Functions Animal cells 1. Cell membrane 1. Cell structures membrane phospholipid bilayers and proteins.
Cytology I. Introduction A. Definition B. Differentiation.
Cells and Cell Organelles. Cells and Tissues Carry out all chemical activities needed to sustain life Cells are the building blocks of all living.
Cells Anatomy & Physiology. Cells vary in SIZE and STRUCTURE Depends on what they do.
Copyright © 2010 Pearson Education, Inc. Generalized Cell Human cells have three basic parts: Plasma membrane—flexible outer boundary Cytoplasm—intracellular.
3.1 Our understanding of the cell grew as microscope quality improved.
The Central Dogma of Biology among other things….
Anatomy and Physiology Unit 2 Review. If a cell was put into a hypotonic solution, it would 1.Stay the same 2.Shrink 3.Swell.
Larger cells do not function as efficiently – The surface is the only way cells interact with the environment – Surface-area-to-volume ratio As cell size.
The Cell Chapter 3.
Chapter 3 Cells and Tissues. Cellular Physiology: Membrane Transport Membrane Transport – movement of substance into and out of the cell Transport.
ELAINE N. MARIEB EIGHTH EDITION 3 Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation by.
CYTOLOGY Biology 221 Cellular Physiology. CELLULAR ACTIVITIES Transport systems – Movement within cells or across cell membranes The Cell Cycle –Activities.
Cells and Tissues A&P Unit II. Modern cell theory incorporates several basic concepts Cells are the building blocks of all plants and animals Cells.
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