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metabolism

AP Biology Macromolecules

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Macromolecules Macromolecules The topic of macromolecules lends itself well to illustrate three integral themes woven throughout the text and course: There is a natural hierarchy of structural level in biological organization As one moves up the hierarchy, new properties emerge because of interactions among subunits at the lower levels Form fits function. Most macromolecules are polymers Polymer = (Poly = many; mer = part) Large molecule consisting of many identical or similar subunits connected together. Monomer = Subunit or building block molecule of a polymer. Macromolecule = (Macro large) Large organic polymer. Formation of macromolecules from smaller building block molecules represents another level in the hierarchy of biological organization.

APES beginner vocabulary

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Basic Scientific Concepts Organic vs. Inorganic: The primary difference between organic compounds and inorganic compounds is that organic compounds always contain carbon while most inorganic compounds do not. Also, all organic compounds contain carbon, hydrogen or C-H bonds. Ex. of Organic Compounds: Nucleic Acids, Fats, Sugars, Proteins, Enzymes, Fuels, DNA, and Methane CH4 Ex. of Inorganic Compounds: Salts, Metals, Table Salt and Carbon Dioxide Gene: A unit of heredity; a segment of DNA nucleus of the cell that contains information for the synthesis of a specific protein. Ex: Enzymes Gene pool: Combined genetic information, such as alleles, of all the members of a particular population.

Biology Notes

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Unit I: The Concept of Life Biology : The Study of Life How is Life Defined? Key Idea: All living things carry out eight essential life functions. Collectively, the eight life functions are known as metabolism. Nutrition: the process in which food (organic molecules) is absorbed (ingestion) and used or broken down (digestion). Transport: the process in which material is moved from one place to another (circulated) within organisms. Active Transport: the type of transport that moves material from a low to high concentration while using energy.

Chpt 4 powerpoint Miller 13th

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ECOSYSTEMS: COMPONENTS, ENERGY FLOW & MATTER CYCLING CHAPTER 4 ECOLOGY Study of the relationships between organisms and their environment How organisms interact with their nonliving environment such as sunlight, temperature, moisture, nutrients, etc. KEY WORK IS: INTERACT - Connections in Nature What is an organism? What make up organisms? Organisms are either: EUCARYOTIC - SURROUNDED BY A MEMBRANE HAVE A DISTINCT NUCLEUS HAVE INTERNAL ORGANELLES All organisms except bacteria. PROCARYOTIC - SURROUNDED BY A MEMBRANE NO DISTINCT NUCLEUS NO INTERNAL PARTS SURROUNDED BY MEMBRANES Bacteria What is a SPECIES? How do species differ? What is the difference between sexual and asexual reproduction? Number of species on earth is not known 5 million to 100 million maybe

Summary of AP Biology Chemistry Unit

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Summary of AP Bio Study Book: Barron?s AP Bio Chemistry Section The biochemistry section includes the following subjects: Atomic Structure, Bonding, Polar and Nonpolar Molecules, Hydrophobic and Hydrophilic Substances, the Properties of Water, Isomers, Organic Compounds, Energy, Enzymes, and Metabolism. Atomic Structure All atoms consist of three subatomic particles: neutrons, protons, and electrons. An atom in the elemental state always has a neutral charge because the number of protons equals the electrons. Isotopes are atoms that have the same atomic number but have a different mass because they have more or less protons than usual.

Part 2 Biology Revision Notes for AQA GCSE A/A*

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B3.3 Keeping internal conditions constant 3.1 Controlling internal condition Keeping the conditions in the in the body within a narrow range is called homeostasis. Temperature, blood glucose, water and ion content and levels of waste products must all be controlled Waste products that have to be removed include; CO2 (produced by respiration) removed by the lungs urea (produced in the liver when amino acids are broken down) removed by the kidneys and temporarily stored in the bladder Water and ions enter the body when we eat and drink. If the water or ion content in the body is wrong, too much water may move into or out of the cells. This could damage or destroy the cells 3.2 The human kidney

AP Biology Ch. 8-10 Vocabulary

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AP Biology Chapters 8-10 Vocabulary Chapter 8: Activation energy: the amount of energy that reactants must absorb before a chemical reaction will start Active site: the specific portion of an enzyme that attaches to the substrate by means of weak chemical bonds ATP: an adenine-containing nucleoside triphosphate that releases free energy when its phosphate bonds are hydrolyzed. This energy is used to drive endergonic reactions in cells Catalyst: a chemical agent that changes the rate of a reaction without being consumed by the reaction. Coenzyme: an organic molecule serving as a cofactor. Most vitamins function as coenzymes in important metabolic reactions

AP BIO Respiration Vocab

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Acetyl CoA ? the product of the transition reaction between glycolysis and the Krebs cycle, pyruvate is oxidized to Acetyl-CoA by NAD+ , also producing CO2, and NADH Aerobic ? Requiring free oxygen: any biological process that can occur in the presence of gaseous oxygen. Alcohol Fermentation ? The process by which yeast turns sugar into carbon dioxideCO2) and alcohol. Anaerobic ? Any process that can occur without oxygen, such as anaerobic fermentation or H2S photosynthesis. ATP Synthase ? An enzyme that catalyzes the formation of ATP from the phosphorylation of ADP with inorganic phosphate, using a form of energy, such as the energy from a proton gradient.

Cambell biology 9th Edition Chapter 8 Test bank

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Campbell's Biology, 9e (Reece et al.) Chapter 8 An Introduction to Metabolism This chapter lays the foundations for the chapters on respiration and photosynthesis. Key concepts are as follows: The laws of thermodynamics govern energy transformations by living organisms, metabolic reactions couple energy-harvesting reactions to reactions that accomplish cellular work, and enzymes increase the rates of reaction. Understanding the properties of enzymes, how they work, and how their activities are regulated is necessary to achieve an understanding of metabolic pathways. Multiple-Choice Questions 1) Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? A) catalysis B) metabolism C) anabolism D) dehydration E) catabolism

Biology Studyguide

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Unit 1: Scientific Method and Interdependence: Chapters 1, 33 - 36 Chapter 1: The Study of Life Hierarchy of levels: Atoms to molecules to cells to tissues to organs to organ systems to organisms. Characteristics of life, and definition of life: Life is characterized by (1) organization, (2) acquisition of materials and energy, (3) reproduction, (4) responses to stimuli, (5) homeostasis, (6) growth and development and (7) the capacity to adapt. Classification system to group organisms (DKPCOFGS): Systematics: Domain, kingdom, phylum, class, order, family, genus, species. Human classification: Domain Euakarya Kingdom Animalia Phylum Chordata (vertebrae) Class Mammalia Order Primates Family Hominidae Genus Homo Species Homo sapiens

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