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Lecture

BIOL1010 Lecture Notes - Ciclosporin, Plant, Penicillin

by OneClass241779 , Winter 2014
4 Pages
103 Views
Winter 2014

Department
Health Sciences
Course Code
BIOL1010
Professor
Cheryl

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Biology Study of living things.
Living things are: Organized
Acquire materials and energy
Reproduce
Respond to stimuli
Are homeostatic
Grow and develop
Have the capacity to adapt to their environment
Definition of life: Most living things grow, move, reproduce, metabolize, and respond to external
stimuli
Def. #2: All living things are made up of water, biological molecules (sugar, fats, proteins,
nucleic acids), and maintain homeostasis
Metabolism All chemical processes in cells that make energy, synthesize required substances, and
excretion of waste
Homeostasis Maintaining a steady internal environment
Conditions for Life Liquid water: contained or environmental
Elements for metabolism and reproduction: Organic compounds like sugars, fats,
protein, and nucleic acids
A source of energy: sun for plants, or other organisms for the rest
Suitable environmental conditions: varies widely
Organisms in
Extreme
Conditions
High temp.
Very cold temp.
No oxygen
Toxic chemicals
Very high pressure
Organism
Classification
1. Domain
2. Kingdom
3. Phylum
4. Class
5. Order

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Description
Biology Study of living things. Living things are: • Organized • Acquire materials and energy • Reproduce • Respond to stimuli • Are homeostatic • Grow and develop • Have the capacity to adapt to their environment Definition of life: • Most living things grow, move, reproduce, metabolize, and respond to external stimuli Def. #2: • All living things are made up of water, biological molecules (sugar, fats, proteins, nucleic acids), and maintain homeostasis Metabolism All chemical processes in cells that make energy, synthesize required substances, and excretion of waste Homeostasis Maintaining a steady internal environment Conditions for Life • Liquid water: contained or environmental • Elements for metabolism and reproduction: Organic compounds like sugars, fats, protein, and nucleic acids • A source of energy: sun for plants, or other organisms for the rest • Suitable environmental conditions: varies widely Organisms in • High temp. Extreme Conditions • Very cold temp. • No oxygen • Toxic chemicals • Very high pressure Organism 1. Domain Classification 2. Kingdom 3. Phylum 4. Class 5. Order 6. Family 7. Genus 8. Species Binomial • 1 word is the genus, describing similarity to other organisms, 2 word is the nomenclature species name, describing uniqueness • Bi = 2 • Nomial = names • Nomenclature = naming system th ^ Carl Linnaeus • Created ^ in 18 century, uses Latin Rules • Include both genus and species, written in italics • Genus has capital, species does not Domains (3) • Bacteria • Archaea • Eukarya Species • A group of organisms that can reproduce and produce viable offspring Closer Look Bacteria • Typically unicellular, prokaryotic cell structure • Comparatively small, abundant and adaptable • Live
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