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Chemistry

Lab safety

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Laboratory Safety Chemistry is a laboratory science. As part of your laboratory experience you will be required to handle many chemical substances, some of which may pose a health risk. It is your responsibility to always follow the proper procedures and guidelines for handling these chemicals You and your parents must agree to and sign the safety contract in order to participate in lab activities. Failure to comply with safety guidelines may result in your removal from the class and loss of credit for the work that is done in your absence. Conduct in the Chemistry Lab Food and drink are strictly prohibited in the laboratory. When first entering the room, do not touch any chemicals or equipment until you are instructed to do so.

Campbell Biology Chapter 5 Study Guide

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Name Period Chapter 5: The Structure and Function of Large Biological Molecules Concept 5.1 Macromolecules are polymers, built from monomers The large molecules of all living things fall into just four main classes. Name them. Circle the three classes that are called macromolecules. Define macromolecule. What is a polymer? What is a monomer? Monomers are connected in what type of reaction? What occurs in this reaction? Large molecules (polymers) are converted to monomers in what type of reaction? The root words of hydrolysis will be used many times to form other words you will learn this year. What does each root word mean? hydro? lysis Consider the following reaction: C6H12O6 + C6H12O6??C12H22O11

Campbell Biology Chapter 4 Study Guide

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Name Period Chapter 4: Carbon and the Molecular Diversity of Life Concept 4.1 Organic chemistry is the study of carbon compounds 1. Study this figure of Stanley Miller?s experiment to simulate conditions thought to have existed on the early Earth. Explain the elements of this experiment, using arrows to indicate what occurs in various parts of the apparatus. What was collected in the sample for chemical analysis? What was concluded from the results of this experiment? Concept 4.2 Carbon atoms can form diverse molecules by bonding to four other atoms Make an electron distribution diagram of carbon. It is essential that you know the answers to these questions: How many valence electrons does carbon have? How many bonds can carbon form?

Campbell Biology Chapter 3 Study Guide

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Name Period Chapter 3: Water and Life Concept 3.1 Polar covalent bonds in water result in hydrogen bonding Study the water molecules at the right. On the central molecule, label oxygen (O) and hydrogen (H). What is a polar molecule? Why is water considered polar? Now, add + and - signs to indicate the charged regions of each molecule. Then, indicate the hydrogen bonds. Explain hydrogen bonding. How many hydrogen bonds can a single water molecule form? Concept 3.2 Four emergent properties of water contribute to Earth?s suitability for life Hydrogen bonding accounts for the unique properties of water. Let?s look at several. Cohesion, Adhesion, and Surface Tension Distinguish between cohesion and adhesion.

Campbell Biology Chapter 2 Study Guide

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Name Period Chapter 2: The Chemical Context of Life This chapter covers the basics that you may have learned in your chemistry class. Whether your teacher goes over this chapter, or assigns it for you to review on your own, the questions that follow should help you focus on the most important points. Concept 2.1 Matter consists of chemical elements in pure form and in combinations called compounds Define and give an example of the following terms: matter: element: compound: What four elements make up 96% of all living matter? What is the difference between an essential element and a trace element? essential element: trace element: Concept 2.2 An element?s properties depend on the structure of its atoms

Chemistry MidTerm Review

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CP Chemistry Midterm Review List Substance: element & compound ? water, Aluminum, ethanol, carbon dioxide Homogeneous vs. Heterogeneous Physical & Chemical Properties & changes: Freezing/melting, boiling/condensing ;State Change (melting point) Burning/ rusting Metric system: Units, prefixes (kilo-milli), and conversions one milliliter equals 1 cm3 325 mg can be expressed in grams Temperature scales & conversion - Celsius temperature is equivalent to 298K Accuracy vs. precision Scientific Notation & Significant figures 149,000,000 Percent error A molar mass of a compound is 75 g/mol. A student reported an experimental value of 78 g/mol. The percent error is Density

AP BIO

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Chapters 1, 2, &3. AP Biology Summarize Themes connect the concepts of biology Evolution is the core thing Accounts for the unity and diversity of life Charles Darwin and Theory of natural selection Taxonomy > classification of organisms Domains: Bacteria, Archaea, and Eukarya 6 Kingdoms: Plant, Animal, Fungi, Protista, Bacteria, Archaebacteria New properties emerge at each level in the biological hierarchy O>P>C>E>B Atom > Molecule > Organelle > Cell > Tissue > Organ > Organ System > O Organisms interact with their environments, exchanging matter and energy Energy > Producers > Consumers Structure and Function are correlated at all levels of biological organization Form Suits function Cells are an organism?s basic units of function Prokaryotes vs. Eukaryotes

Ch 2: Environmental systems

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Pauline Lee APES Chapter 2: Environmental Systems A Lake of Salt Water, Dust Storms, and Endangered Species Mono Lake- terminal lake water flows into it, but doesn?t flow out a. Picks up salt and other minerals- deposited in the lake b. Evaporation- buildup of salt concentration c. Mono brine shrimp/larvae of Mono Lake alkali fly i. Consume microscopic algae Los Angeles Department of Water and Power reduce amount of water diverted and allow the lake to refill to about 2/3rds of historical depth Earth is a Single Interconnected System Large system may contain many smaller systems within it Fisheries of the North Atlantic a. Physiologist- study how codfish survive in freezing waters i. Fish and internal organs system being studied

Campbell Biology 9th Edition Chapters1-5 Study Guide

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Chapter 1 Biology is the scientific study of life Properties of life: order, evolutionary adaptation, response to the environment, regulation, energy processing, growth and development, reproduction Ecosystem Dynamics Producers Plants and other organisms that convert sunlight into chemical energy Consumers Organisms that utilize (feed) on producers or other consumers 2 Basic Cell Types Eukaryotic Large High degree of organelle organization Membrane bound genetic material (nucleus) Prokaryotic Small Little organelle organization No membrane bound genetic material Genetic Material Both prokaryotic and eukaryotic cells maintain heritable material (DNA)a DNA is made of strands of nucleotides which form genes (sequences of your DNA) Make us who we are

Chapter 6- Chemistry in Biology

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Chapter 6-Chemistry in Biology COMPOSITION OF MATTER -Matter-everything in universe is composed of matter. -Matter is anything that occupies space or has mass -Mass-quantity of matter in an object -Weight-pull of gravity on us ELEMENTS -Pure substances that cannot be broken down chemically into simpler kinds of matter -More than 100 elements (92 naturally occuring) -90% of the mass of an organism is composed of 4 elements (oxygen, carbon, hydrogen, and nitrogen) -Each element has a unique chemical symbol -Consists of 1-2 letters -First letter is always captialized ATOMS -The simplest particle of an elemetnt that remains all the properties of that element. -Properties of atoms determine the structure and properties of the matter they compose.

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