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AQA A LEVEL CHEMISTRY PAPER 1 Verified Answers TOF steps - Answers1) ionisation 2) acceleration 3) ion drift 4) detection 5) analysis Electron impact - AnswersSample vaporised and electron gun fires high energy electrons at it which knock off 1 electron from each particle, making them 1+ ions NB- can knock off more than one e or break molecular ion electrospray ionization - AnswersSample dissolved in volatile solvent then injected through needle to give fine mist which is attach...

BIO 311C Exam 1 Questions and Answers four biological molecules - Answerscarbohydrates, lipids, proteins, nucleic acids elements in carbohydrates - Answerscarbon, hydrogen, oxygen CH2O elements in lipids - Answerscarbon, hydrogen, oxygen, phosphorous elements in proteins - Answerscarbon, hydrogen, oxygen, nitrogen, sulfur carbon, hydrogen, oxygen, nitrogen, phosphorous - Answerselements in nucleic acids functional groups in carbohydrates - Answershydroxyl and carbonyl funct...

Biochemistry Chapter 2 test bank Verified Answers The amino acid that contains a sulfur atom and is considered hydrophbic is called - AnswersMethionine Every third residue of the protein collagen is - AnswersGlycine Disulfide bonds in proteins can be reduced to free sulfhydryl groups by reagents such as - AnswersBeta Mercaptoethanol A protein is considered to be (blank) when it is converted into a randomly coiled structure without its normal activity - AnswersDenatured Agents ...

Biochemistry Exam 4 Test Bank Verified Answers 1. It is recommended that women take folic acid supplements before and during the first trimester of pregnancy to prevent neural tube defects in the developing fetus because: (A) the synthesis of the cholesterol precursor HMGCoA requires folic acid. (B) porphyrin and heme synthesis during development requires high concentrations of folic acid. (C) oxygen transfer from maternal to fetal hemoglobin is accentuated by folic acid. (D) some of ...

Biochemistry Testbank 1 Exam Questions and Answers lipids, nucelotides, monosaccharides, amino acids - AnswersWhat are the four major classes of molecules studied in biochemistry (in monomeric form)? carbohydrates - AnswersPolymers of sugars are __________. proteins - AnswersAmino acids are the building blocks of _________. pH = pKa + log([A-]/[HA]) - AnswersWhat is the Henderson-Hasselbalch equation? tris acid (HCl), tris base - Answers[HA] is the _____________ and [A-] is th...

Financial Accounting Theory & Analysis - Schroeder (Ch. 1) Solutions Theory - Answersorganized knowledge that can be applied in many circumstances, accepted principles and rules that explain the nature of a phenomena Normative Theory - Answersexplains what SHOULD be Positive Theory - Answersexplains what IS Zenon Papyri - Answersdiscovered in 1915, contain information on business operations of Apollonius during 3rd century BC - it was surprisingly elaborate! Goal of Accounting T...

Finance 3101, Howard Keen, Exam 1 Review (Chapters 1-5) Solutions Describe the cycle of money, the participants in the cycle, and the common objective of borrowing and lending. - AnswersThe cycle of money is the movement of money from lender to borrower and back again. It is often accomplished through a financial intermediary like a bank. The common objective is to make both the lender and the borrower better off. Distinguish the four main areas of finance and briefly explain the financial...

Finance 3101 Keen Final Exam Questions and Answers What is meant by "benchmarking"? - Answerscomparing a companies financial data to another companies data or to its own previous data What is the difference between Trend (time-series) and cross-section analysis? - Answerstrend: one company, multiple time periods cross section: multiple companies, multiple time periods How do we common-size the BS and IS and for what purpose? - Answersdivide everything by revenue or sales W...

Accounting Test Bank Exam Questions and Answers A credit decreases the balance of which types of accounts - AnswersExpenses and Assets Cash dividends paid to the stockholders will - Answersdecrease assets and decrease stockholders' equity A business purchases a truck by signing a note payable to the seller. Such a transaction would include a: - Answerscredit to Note Payable The closing entry for utilities expense would include: - Answersa debit to Income Summary and a credit t...

Keen Finance Chapter 7 Exam Questions and Answers The efficient markets hypothesis has three forms that are based on the level of information reflected in an asset's price. The form that states the price of an asset reflects all information contained in past prices is the: - Answersweak-form of market efficiency. According to the constant growth dividend model, which of the following would cause a stock price to fall? - AnswersA decrease in the growth rate of the dividend The eff...