Golgi apparatus 4. Lysosomes 5. Vacuoles a. food vacuole b. contractile vacuole c. central vacuole 6. Plasma membrane D. Mitochondria E. Chloroplasts F. Peroxisomes G. Cytoskeleton (Table on page 113) 1. Microtubules a. cilia b. flagella 2. Microfilaments (actin) a. muscle contraction b. pseudopodia c. cyotplasmic streaming 3. Intermediate filaments H. Extracellular components and connections 1. Cell walls of plants
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sorts‚ packages and transports substances. * Vesicles- * Lysosomes- responsible for digestion of waste materials. * Mitochondria- responsible for the production of ATP (energy). * Chloroplast- responsible for photosynthesis. * Microtubules- * Microfilaments- * Cilia * Flagella- * Cytoplasm- 4) Plant and Animal Cells * Plant cells are rectangular shaped and animal cells are round. * Plant cells
Free Photosynthesis Cellular respiration Adenosine triphosphate
Surrounded by two membranes Which organelle is responsible for photosynthesis? Chloroplast Microtubules are associated with ______. Flagella‚ chromosome movement‚ cell shape‚ and cilia Tobacco smokers (and those exposed to tobacco smoke) are at greater risk of an ectopic (tubal) pregnancy. Based on your understanding of the structures of the
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The nucleus is a large membrane bound organelle. Most cells have a single nucleus though skeletal muscle can have more than one (multinucleate) or some cells such as red blood cells have no nucleus. The nucleus contains the genetic material and is where DNA replication and RNA transcription occur. The nucleus is bound by a membrane which contains nuclear pores. These pores allow RNA molecules and proteins to move in and out of the nucleus. However‚ this process is selective and is energy dependent
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| Peroxisome in animal cell | Life sciences‚ HAN university of applied science‚ Nijmegen‚ Netherlands | | Mohsen Ghanbari | 30-12-2012 | Peroxisome in animal cell Author: Mohsen Ghanbari Abstract Peroxisomes have an essential function in cell metabolism. [1] They are small‚ membrane bounded organelles that have at least fifty different enzymes for several metabolic reactions. [2] Their appearance is like lysosomes; however‚ their main function is oxidation reactions especially oxidation
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CELLS All living things are made of cells‚ and cells are the smallest units that can be alive. Life on Earth is classified into five kingdoms‚ and they each have their own characteristic kind of cell. However the biggest division is between the cells of the prokaryote kingdom (the bacteria) and those of the other four kingdoms (animals‚ plants‚ fungi and protoctista)‚ which are all eukaryotic cells. Prokaryotic cells are smaller and simpler than eukaryotic cells‚ and do not have a nucleus. Prokaryote
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AS Biology - Unit 1 ------------------------------------------------- Metabolism Metabolism is a term to describe all reaction which is taking place within a cell and is separated into two types which are * anabolic = compounds being built up * catabolic = compounds being broken down ------------------------------------------------- Water The water molecule is a molecule which is made up from 2 hydrogen atoms and 1 oxygen atom. It is bounded by 2 covalent bonds and has is polar.
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PROTISTA GENERAL CHARACTERISTICS * Eukaryotic * Unicellular * Microorganisms * Asexual/sexual reproduction * Flagella & Cilia with 9+2 microtubules ORIGIN * The term "protist" is derived from the Greek protiston‚ meaning the "first of all ones." * Individual protists tend to be quite small‚ either unicellular or an undifferentiated multicellular mass. At one point‚ "Protista" encompassed everything that wasn’t an animal or plant‚ until the advent of cellular biology which
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Cells Cell Theory- Cells are the smallest units of life All organisms are made of one or more cells All cells come from pre-existing cells Cells are organized Organelles- compartments that perform different functions in the cell Cells can be prokaryotic or eukaryotic Eukaryotes (Animals‚ plants‚ and fungi) Contain: Nucleus Membrane bound organelles Prokaryotes Nucleoid- region that contains DNA Flagellum Characteristics of Chloroplasts and Mitochondria (similar to Prokaryotic Cells)
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Marine organisms and other novel natural sources of new cancer drugs Gilberto Schwartsmann South-American Office for Anticancer Drug Development (SOAD)‚ Comprehensive Cancer Centre (CINCAN)‚ The Lutheran University (ULBRA) & Postgraduate Course in Medicine (UFRGS)‚ Porto Alegre‚ Brazil Introduction Man has always relied on nature for survival. Since ancient times‚ nature has been our main source of food‚ protection‚ clothing‚ transportation and remedies [1‚2]. This can be illustrated by the
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