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Chemistry

AP Biology chapter 4 and 5 test

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US History
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Chemistry
Biology
Genetics
Biomolecule
RNA
Protein
Amino acid
Nucleic acid sequence
Uracil
Hydrolysis
Nucleic acid
Gene
health
macromolecules
Carbon Cycle

A.P. Biology: Chapter 4 & 5 Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. At which level of protein structure are interactions between the side chains (R groups) most important? a. primary d. quaternary b. secondary e. all of the above c. tertiary 2. All of the following nitrogenous bases are found in DNA except a. thymine. b. adenine. c. uracil. d. guanine. e. cytosine. 3. Which of the following best summarizes the relationship between dehydration reactions and hydrolysis? a. Dehydration reactions assemble polymers, and hydrolysis breaks down polymers. b. Hydrolysis only occurs in the urinary system, and dehydration reactions only occur in the digestive tract. c.

Cellular respiration review sheet

Subject: 
Biology
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Biology
cellular respiration
biochemistry
Chemistry
Glycolysis
Electron transport chain
Citric acid cycle
Pyruvic acid
Crista
Fermentation
Carbohydrate catabolism
mitochondrion
Technology

CELLULAR RESPIRATION MULTIPLE CHOICE. Circle ALL that are TRUE. There may be more than one correct answer. _______________________ is the first step in cellular respiration that begins releasing energy stored in glucose. A. Alcoholic fermentation B. Lactic acid fermentation C. Glycolysis D. Electron transport chain The carriers for energy and high energy electrons during GLYCOLYSIS are ________. A. ATP B. NADH C. FADH2 D. NADPH If oxygen is NOT present, glycolysis is followed by _____________________ A. Krebs cycle B. electron transport chain C. fermentation Name the 3 carbon molecule produced when glucose is broken in half during glycolysis. A. pyruvic acid B. lactic acid C. Acetyl-CoA D. citric acid

Glycolysis Pathway Quiz and answers

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Biology
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Biology
cellular respiration
Chemistry
biochemistry
Glycolysis
Electron transport chain
Nicotinamide adenine dinucleotide
Glucose
Photosystem
electron
ion
Energy systems
Technology

Glycolysis Worksheet ? Answer Sheet 1. Explain why the phosphate end of ATP stores potential energy. Each of the phosphate groups is negatively charged. These negative repel each other and so they would have less energy if they were further apart. 2. Which has more potential energy, ATP or ADP? ATP has more potential energy than ADP since it has three negatively charged phosphates held together vs only two in ADP. 3. Write the overall reaction for cellular respiration. Glucose + 6 O2 6 CO2 + 6 H2O (+ energy in the form of ATP and heat) 4. What atom is known as an ?electron grabber? because it attracts electrons so strongly? oxygen 5. What is an electron transport chain?

Test on Metabolism and Energy Chapter 7 and 8

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Biology
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Biology
cellular respiration
Chemistry
biochemistry
Glycolysis
Substrate-level phosphorylation
Citric acid cycle
Nicotinamide adenine dinucleotide
Electron transport chain
Chemiosmosis
metabolism
Pyruvic acid
metabolism energy

Name: ______________________ Class: _________________ Date: _________ ID: A 1 Test on Energy and Metabolism--Chapters 7 and 8 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1 An endergonic reaction can proceed only if it absorbs: A. less free energy than was released by a coupled endergonic reaction. B. the same amount of free energy that is absorbed by the enzymatic breakdown of proteins. C. energy from ADP, forming ATP. D. less free energy than is released by a coupled exergonic reaction. E. more free energy than is released by a coupled exergonic reaction. ____ 2 If one continues to increase the temperature in an enzyme-catalyzed reaction, the rate of the reaction: A. decreases and then levels off.

Chapter 2 Biology AP Notes

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Biology
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Chemistry
matter
Periodic Table
Chalcogens
Chemical elements
Nonmetals
Sulfur
Polymer
Oxygen
Environment
Technology

10/23/13 9:46 AM Chapter 2 Basic chemistry Important elements in Bio 6 elements hydrogen phosphate sulfur oxygen nitrogen carbon Polar vs. nonpolar What are the properties of water? H20 properties Chapter 3 Monomers to polymers Carbohydrates Chapter 2-3 Review 10/23/13 9:46 AM 10/23/13 9:46 AM
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AP Bio Unit Objectives (Chapter 9)

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Biology
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Biology
cellular respiration
biochemistry
Chemistry
metabolism
Exercise physiology
Metabolic pathways
Glycolysis
Electron transport chain
Chemiosmosis
Fermentation
Citric acid cycle
Technology

Chapter 9: Cellular Respiration, Harvesting Chemical Energy The principles of energy harvest Cellular respiration and fermentation are catabolic energy yielding pathways Cells recycle ATP they use for work Redox reactions release energy when electrons move closer to electronegative atoms Electrons ?fall? from organic molecules to oxygen during cellular respiration The ?fall? is stepwise during respiration via NAD+ and an electron transport chain The process of cellular respiration Respiration involves glycolysis, Krebs cycle and electron transport Glycolysis harvests chemical energy by oxidizing glucose to pyruvate The Krebs cycle completes the energy yielding oxidation of organic molecules

Ch03-Macromolecules-OnlineQuiz

Subject: 
Biology
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Biology
Chemistry
Genetics
Molecular biology
Origin of life
RNA
Abiogenesis
Evolutionary biology
Amino acid
Protein
organism
DNA

11/8/13, 10:04 AMCh03-Macromolecules and the Origin of Life - Page 1 of 8http://qsg.qm4.qm3-assessments.bfwpub.com/q4/session.dll Ch03-Macromolecules and the Origin of Life completed Total score: 16 out of 20, 80% 1 of 20 Which of the amino acids listed below would, when incorporated into a polypeptide chain (not at the N- or C-terminus), make the charge of the polypeptide more positive? a. Alanine b. Arginine c. Aspartate d. Serine e. Cysteine 1 out of 1 Correct. Textbook Reference: 3.2 What Are the Chemical Structures and Functions of Proteins? p. 43 2 of 20 Nucleotides are composed of a. amino acids. b. nucleic acids. c. a phosphate, a sugar and a base. d. a base and phosphate. e. fatty acids and a base. 1 out of 1

biologych3

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Biology
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Chemistry
Biology
nutrition
biochemistry
Amino acid
Polysaccharide
Glucose
Hydrolysis
Cell membrane
Lipid
Carbohydrate
Monomer

salt is not a macromolecule bonds that form between units of polymeric macromolecules are covalent triglyceride/cellulose are not a correct monomer/polymer pairing in condensation reactions, the atoms that make up a water molecule are derived from both of the reactants polymerization reactions in which polysaccharides are synthesized from monosaccharides result in the formation of water during the formation of a peptide linkage a molecule of water is formed polysaccharides, polypeptides, and polynucleotides are broken down in hydrolysis reactions amino acids can be classified by the characteristics of their side chains or ?R? groups a protein can best be defined as a polymer of amino acids some proteins function as enzymes

enzyme lab

Subject: 
Biology
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Chemistry
Biology
Cell Biology
Osmosis
Potato
Tonicity
Enzyme
Lysis
Catalysis
Osmotic pressure
Properties of water
water

Potato Osmosis Biology SL - ATh INVESTIGATION ?Potato Osmosis? INTRODUCTION Osmosis is a process that occurs at a cellular level that entails the spontaneous net movement of water through a semi-permeable membrane from a region of low solute concentration to an area of high solute concentration in order to equalize the level of water in each region. Involved in this process are hypotonic, hypertonic and isotonic solutions. A hypotonic solution is one with a lower osmotic pressure, indicating that the net movement of water moves into the said solution whereas a hypertonic solution is one with a higher osmotic pressure, thus the net movement of water will be leaving the hypertonic solution. Lastly, an isotonic solution entails no net

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