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Chemistry

The Chemistry Of Life

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Biology
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Chemistry
Chemical bonding
Quantum chemistry
Chemical properties
Theoretical chemistry
Atomic physics
Chemical bond
Orbital hybridisation
Ionic bond
Valence electron
Covalent bond
ion
Technology
#AP Bio #CampbellBiology

Chapter 2 The Chemical Context of Life Elements and Compounds An element is a substance that cannot be broken down to other substances by chemical reactions A compound is a substance consisting of two or more elements in a fixed ratio Sodium Chlorine Sodium chloride Essential Elements of Life Carbon, hydrogen, oxygen, and nitrogen make up 96% of living matter Trace elements are those required by an organism in minute quantities LE 2-3 Nitrogen deficiency Iodine deficiency LE 2-4 Nucleus Electrons Cloud of negative charge (2 electrons) Atomic Number and Atomic Mass Atoms of the various elements differ in number of subatomic particles Atomic number Mass number Atomic mass Isotopes Atoms of an element have the same number of protons but may differ in number of neutrons

Chemistry

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Chemistry
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Chemistry
Physics
Chemical properties
Chemical bonding
Charge carriers
Quantum chemistry
Atomic number
Periodic Table
Electronegativity
Valence electron
electron
ion
Technology

Chemistry Study Guide Unit 1: Measurement and the Methods of Chemistry Counting significant figures: 1) leading zeros never count 2) Trailing zeros only count if there is a decimal point written 3) All numbers that aren?t leading or trailing zeros count Unit 2: Atomic Structure, Periodicity, and Nuclear Energy Proton: +1 (charge) Neutron: 0 (charge) Electron: -1 (charge) Atomic number= number of protons within an atom Atomic mass= total weight of the atom. P+N If there is a power to the left of the element, that implies the mass. Isotope: same atom with same atomic number, but different number of neutrons. Different weight. Neutrons and protons are INSIDE nucleus. Electrons on orbitals. Valence electrons= electrons on outermost shell. The electrons that do all reactions.

abio

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Biology
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Biology
Plant hormones
Botany
Chemistry
Plant morphology
Plant physiology
Seeds
Cytokinin
Auxin
Abscisic acid
Abscission
Gibberellin
health

39.2 Plant hormones 131095 SunHa Lee cytokinins - 2) apical dominance Apical dominance: ability of the apical bud to suppress the development of axillary buds Direct inhibition hypothesis: auxin & cytokinins act antagonistically in regulating axillary bud growth - auxin: sent from apical bud, directly inhibits axillary growth - cytokinins: sent from roots, signals axillary growth Ratio of auxin and cytokinins is important 2) apical dominance Apical bud removed: no inhibition of axillary buds, more lateral branches Auxin added: lateral bud growth repressed Overload of cytokinins: more lateral branches, bushier 3) anti-aging effects Slow aging - inhibit protein breakdown - stimulate RNA and protein synthesis - mobilize nutrients from nearby tissues

Chem Scientists and Definitions

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Chemistry
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Physics
Chemistry
Nuclear physics
Nuclear chemistry
Atomic physics
Knights Bachelor
Members of the Order of Merit
Atomic theory
electron
Atomic nucleus
J. J. Thomson
Cathode ray
Technology

Democritus Greek; said that everything in the universe starts with small pieces of un-cuttable (atomos) pieces of matter but had no proof ? Aristotle Greek; said there was no such thing as the smallest piece of matter; he was the good speaker therefore people of his time believed him John Dalton created the Atomic Theory in the 1800's The Atomic Theory says that all things in the world are made of atoms, and if the materials are the same, the atoms are identical especially in their mass; different elements have different atoms and a chemical reaction is a rearrangement of atoms William Crookes

Chemical Names and Formulas Chapter 6 Addison and Wesley

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Chemistry
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ions
Chemical nomenclature
Oxoanions
Chemical compounds
Inorganic chemistry
IUPAC nomenclature of inorganic chemistry
Polyatomic ion
Ionic compound
ion
Chemical bond
Chemical formula
addison and wesley chemistry chem

Chapter 6 ?Chemical Names and Formulas? By Stephen L. Cotton, Charles Page High School Modified by Barbara Williams, DeBakey HSHP H2O Molecular Compounds Molecule Neutral chemically bonded group of atoms that act as a unit Usually composed of 2 or more nonmetal atoms Make up molecular compounds Ions and Ionic Compounds Ion Charged atom or group of atoms (cation or anion) Cation name: same name + ?ion? (Na+ is called ?sodium ion?) Anion name: root name ends with ?-ide? (Cl- is called ?chloride?) Ionic Compound Composed of metal cation and nonmetal anion An Anion is? A negative ion. Has gained electrons. Nonmetals can gain electrons. Charge is written as a superscript on the right. F1- Has gained one electron (-ide is new ending = fluoride) O2- Gained two electrons (oxide)

Biology respiration objectives

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Biology
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Biology
cellular respiration
Chemistry
biochemistry
Chemiosmosis
Electron transport chain
metabolism
Oxidative phosphorylation
Adenosine triphosphate
Nicotinamide adenine dinucleotide
Photosynthesis
Substrate-level phosphorylation

Vocabulary Entropy- a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system Catabolism- the breakdown of complex molecules in living organisms to form simpler ones, together with the release of energy; destructive metabolism. Anabolism- the synthesis of complex molecules in living organisms from simpler ones together with the storage of energy; constructive metabolism. Cellular Respiration- the metabolic processes whereby certain organisms obtain energy from organic molecules Glycolysis- the breakdown of glucose by enzymes, releasing energy and pyruvic acid.

Chemistry Lab Report

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Chemistry
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Food and drink
Chemistry
Starch
Excipients
nutrition
matter
Printing
Iodine
Vinegar
sugar
Baking powder
Lab Reports

Properties and Changes Logan Bell Purpose: The Purpose of the Properties and Changes lab was to determine the unknown substances in the assigned mixture by comparing reactions and end results with certain variables. Procedure: Part one: 1. Obtain one of the following white powders: Starch, Baking Soda, Sugar and Salt (Sodium Iodide) 2. Make as many observations of each powder that you can before it is mixed with anything. Record your observations in your data table. 3. Put a small amount of your Sugar in two pea sized piles on a watch glass. 4. Add one drop of Vinegar to one of the piles of Starch. Record your observations. 5. Add one drop of Iodide solution to the other pile of Starch. Record your observations.

Overview of Respiration

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Biology
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cellular respiration
Chemistry
biochemistry
Glycolysis
Fermentation
Oxidative phosphorylation
Carbohydrate catabolism
Anaerobic respiration
Citric acid cycle
Nicotinamide adenine dinucleotide
redox
health
Technology

Cellular Respiration?An Overview 1 Cellular Respiration?An Overview What are the phases of cellular respiration? Why? All cells need energy all the time, and their primary source of energy is ATP. The methods cells use to make ATP vary depending on the availability of oxygen and their biological make-up. In many cases the cells are in an oxygen-rich environment. For example, as you sit and read this sentence, you are breathing in oxygen, which is then carried throughout your body by red blood cells. But, some cells grow in envi- ronments without oxygen (yeast in wine-making or the bacteria that cause botulism in canned food), and occasionally animal cells must function without sufficient oxygen (as in running sprints). In this

Cellular Respiration

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Biology
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Biology
cellular respiration
Chemistry
biochemistry
Glycolysis
Fermentation
Oxidative phosphorylation
Carbohydrate catabolism
Anaerobic respiration
Citric acid cycle
Nicotinamide adenine dinucleotide
redox
health
Technology

Cellular Respiration?An Overview 1 Cellular Respiration?An Overview What are the phases of cellular respiration? Why? All cells need energy all the time, and their primary source of energy is ATP. The methods cells use to make ATP vary depending on the availability of oxygen and their biological make-up. In many cases the cells are in an oxygen-rich environment. For example, as you sit and read this sentence, you are breathing in oxygen, which is then carried throughout your body by red blood cells. But, some cells grow in envi- ronments without oxygen (yeast in wine-making or the bacteria that cause botulism in canned food), and occasionally animal cells must function without sufficient oxygen (as in running sprints). In this

AP BIO Catalysis Lab

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Biology
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Chemistry
Catalysis
Enzymes
Biomolecules
metabolism
Enzyme kinetics
catalase
Enzyme
Hydrogen peroxide
Chemical reaction
Titration
Equivalence point

AP Biology Lab #2 Enzyme Catalysis Overview: In this lab you will observe the conversion of hydrogen peroxide (H2O2) to water and oxygen gas by the enzyme catalase, and then measure the amount of oxygen generated. You will also calculate the rate of an enzyme-catalyzed reaction. Objectives: Before doing this lab, please review the following from your text and/or notes: Structure, function of enzymes How temperature, pH, enzyme concentration and substrate concentration affect the initial reaction rates of enzyme-catalyzed reactions Review the terms: Catalyst Catalase Catalysis After doing the lab, you should be able to:

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