Register now to access 7 million high quality study materials (What's Course Hero?) Course Hero is the premier provider of high quality online educational resources. With millions of study documents, online tutors, digital flashcards and free courseware, Course Hero is helping students learn more efficiently and effectively. Whether you're interested in exploring new subjects or mastering key topics for your next exam, Course Hero has the tools you need to achieve your goals.
4 Pages
lecture 7_structure functionMacroMol
Course: BIO 121, Fall 2011School: UMass Dartmouth
Rating:
Word Count: 516
Document Preview
= Ipledgetostriveforacademic excellence,adheretothe standardsofacademicintegrity, andactinaprincipledmannerin allthatIdo. Lipids fats Formed from C, H and O fats, phospholipids, steroids, lipoproteins, some vitamins (lipo soluble) 18-25% of body weight Hydrophobic mostly C-H non-polar bonds (little O2) insoluble in polar solvents like water ThiswasyourpledgewhenjoiningUMassD Combine with proteins...
Unformatted Document Excerpt
Coursehero >> Massachusetts >> UMass Dartmouth >> BIO 121Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.
Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.
= Ipledgetostriveforacademic
excellence,adheretothe
standardsofacademicintegrity,
andactinaprincipledmannerin
allthatIdo.
Lipids fats
Formed from C, H and O
fats, phospholipids, steroids,
lipoproteins, some vitamins (lipo
soluble)
18-25% of body weight
Hydrophobic
mostly C-H non-polar bonds (little O2)
insoluble in polar solvents like water
ThiswasyourpledgewhenjoiningUMassD
Combine with proteins
lipoproteins
Triglycerides
Triglycerides
Neutral fats
single glycerol molecule
and 3 fatty acids
three-carbon glycerol molecule is the
backbone
Highly energetic molecules
9 calories/gram compared to 4 for
proteins or carbohydrates
animals store triglycerides in fat cells if
they eat extra food (why?)
One glycerol molecule PLUS fatty acids
Fatty acids attached by dehydration synthesis
Saturation of Triglycerides
Phospholipids: phosphate, glycerol, and fatty acids
Determined by the number of single or double
covalent bonds
Saturated fats contain single bonds
head
tails
lard
Monounsaturated fats contain one double bond
peanut oil
olive,
Polyunsaturated fats contain multiple double bonds
sunflower oil, corn oil, soybean oil, safflower oil
1
Steroids
Formed from 4 rings of carbon
cholesterol, sex hormones, bile salts,
vitamins
Cholesterol
in [animal]
cell membranes
polar
non-polar
polar
Four Ring
Structure of
Steroids
raw material for
synthesis of other
steroids
Functional
groups of
female and
male sex
hormones
Estradiol
Female lion
lion
Testosterone
Male lion
Proteins
12-18% of body weight
CHON
made of 20 amino acids (aa)
dipeptides
polypeptides
2 aa
peptide bond (covalent bond)
chains of 10 - 2000 aa
structural organization
primary, secondary and structure tertiary
& R groups determine function
2
Amino Acid Structure
Nine non-polar amino acids
Alanine (Ala)
Glycine (Gly)
Valine (Val)
Leucine (Leu)
Isoleucine (Ile)
Nonpolar
Central alpha carbon
Amino group (NH2)
Carboxyl group (COOH)
Methionine (Met)
Phenylalanine (Phe)
Tryptophan (Trp)
Proline (Pro)
Side chains (R groups)
vary between amino acids
Six polar amino acids
Five electrically charged amino acids
Acidic
Basic
Electrically
charged
Polar
Serine (Ser)
Threonine (Thr)
Cysteine (Cys)
Tyrosine (Tyr)
Asparagine (Asn)
Glutamine (Gln)
Aspartic acid (Asp)
Glutamic acid (Glu)
Lysine (Lys)
Arginine (Arg)
Histidine (His)
Structural Organization
Primary
linear sequence of aa
Secondary
Tertiary
alpha helix or pleated sheet folding
Quaternary
3-dimensional shape of polypeptide chain
aggregation of multiple 3-D units e.g. hemoglobin
3
Bonds of Tertiary & Quaternary Structure
Hydrophobic
clusters
H bonds
hydrophobic clusters
Quaternary Structures
Polypeptide
chain
Chains
sulfide bridges
reinforce the tertiary
structure
Hydrogen
bond
Disulfide bridge
ionized bond
covalent bonds
between SH groups of
2 cysteine amino acids
ionized bonds
between + and - ions
Iron
Heme
Chains
Hemoglobin
Collagen
K ion channel in
plasma membrane
Enzymes
Enzymes
protein molecules
catalysts
Facilitate chemical reactions
Named after the chemical reactions they catalyze:
CO2 + H2O
carbonic anhydrase
CO3H2
Paz-y-Mio C. & Espinosa 2010
K ion channel in
plasma membrane
Sucrase accelerates
hydrolysis of sucrose into
glucose and fructose
Substrate
(Sucrose)
enzyme
sucrase
enzyme
sucrase
Glucose
Fructose
enzyme
sucrase
4
Find millions of documents on Course Hero - Study Guides, Lecture Notes, Reference Materials, Practice Exams and more.
Course Hero has millions of course specific materials providing students with the best way to expand
their education.
Below is a small sample set of documents:
Below is a small sample set of documents:
UMass Dartmouth - BIO - 121
Ipledgetoexercisethedisciplineandpracticesappropriatetoensuringmyacademicsuccess.MACROMOLECULES AND THECHEMISTRY OF LIFEThiswasyourpledgewhenjoiningUMassDMacromolecules are polymers Polymerslarge molecules made ofsubunits (poly = many, meros = p
UMass Dartmouth - BIO - 121
CarbonThe Backbone of Biological MoleculesCarbon atoms can form diverse molecules bybonding to four other atoms Carbon forms covalent bonds with many atoms cells 7095%water, the restcarbon-basedcompounds This tetravalence makes large, complex mole
UMass Dartmouth - BIO - 121
Water is a polar molecule Polarity allows water molecules to form hydrogenbonds with each otherHydrogenbondsLife takes advantage of waters chemical propertiespartial negative charge near oxygen Oatom and partial positive charge nearhydrogen H+ atom
UMass Dartmouth - BIO - 121
The Ionic Bond in Sodium ChlorideIonic Bonds Sodium loses an electron tobecome Na+ (cation) Positively and negatively chargedions attract each other to form anionic bond Chlorine gains an electron tobecome Cl- (anion) Na+ and Cl- are attracted to
UMass Dartmouth - BIO - 121
THE CHEMISTRYOF LIFEQUIZONE tenpointswillcloseSeptember16thNoExceptionsNoExcusesChemical Foundations of Biology Life is an ongoing chemicalreactionwiderhospitablegreen zone Homeostasis keeps lifes balance Life is finely tuned to the condition
UMass Dartmouth - BIO - 121
Go to myCoursesIacceptmembershipintoUMassDartmouth,acommunitycommittedtointellectualrigor,culturaldiversity,andservicetothecommunity.ThiswasyourpledgewhenjoiningUMassDClickLoginClickExamsClick1QuizClickClickClick2Fig.1Studentevaluationsf
York University - ADMS - 4551
ADMS 4551 FALL 2008 Exam Marking Key1QUESTION 1 ( 29 marks)A) List the major deficiencies in the audit and state what the appropriate auditoraction should have been. (2 marks for each point max 16 marks)Answer:1.No change the audit plan given despi
York University - ADMS - 4551
Hand In Assignment #5For each of the following independent situations identify the type of auditopinion(s) to be issued, give your reason(s) and in each situation describe anychanges necessary to the standard audit report. State your assumptions andco
York University - ADMS - 4551
ADMS 4551 Winter 2010, ALL SECTIONS, FINAL EXAM, MARKING GUIDEQuestion 1(12 marks)(1 mark for each relevant point)Scenario 1o The auditor would need to confirm information provided by the CFO with thebondholders.o The CFO has classified the bond as
York University - ADMS - 4551
MIDTERM EXAM: ADMS 4551, Winter 2010, All Sections, February 21, 2010Student Number: _Name: _YORK UNIVERSITYFACULTY OF LIBERAL ARTS AND PROFESSIONAL STUDIESPART ASchool of Administrative StudiesAP/ADMS 4551 Auditing and Other Assurance ServicesMid
York University - ADMS - 4551
4551 Questions from Past MidtermsQuestion 1 (15 marks 36 minutes)You are an audit manager with the audit firm Barnes and Fisher LLP. You have beenassigned to assist an audit partner on a client acceptance decision. The prospective client,Ocean Manufac
York University - ADMS - 4551
YORK UNIVERSITYATKINSON FACULTY OF LIBERAL AND PROFESSIONAL STUDIESSchool of Administrative StudiesAK/ADMS 4551 A/B/C/D Auditing and Other Assurance ServicesFINAL EXAMINATION7:00 p.m. to 10:00 p.m.A YorkCard is required as your identification for th
York University - ADMS - 4551
ADMS4551 WINTER 2010 FINAL EXAM, APRIL 10, 2010 PARTASTUDENT NAME _STUDENT # _YORK UNIVERSITYFACULTY OF LIBERAL AND PROFESSIONAL STUDIESSchool of Administrative StudiesAK/ADMS 4551 M/NO Auditing and Other Assurance ServicesFINAL EXAMINATION Saturda
York University - ADMS - 4551
Audit ProcedureAssertion and relatedspecific objectivebeing metType of evidenceQuality of audit evidence andexplanationa) Have theclientsoutside lawfirm send aletterdirectly tothe auditorproviding adescriptionof anydifferencesbetween the
York University - ADMS - 4551
Notes on Phases of the Audit ProcessJ. JonesThese notes are intended to elaborate on the Summary of Phases of the AuditPhase 1 Pre-planningClient Acceptance & Continuance AnalysisBefore accepting or deciding to continue with an audit engagement, the
York University - ADMS - 4551
ADMS 4551Session 10 - InventoryConsumer ElectronicsYour are the audit senior for the year end audit of Consumer Electronics Inc., amanufacturer and distributor of small appliances. You have been assigned toinventory and the related accounts, so far y
York University - ADMS - 4551
Session10Required:Foreachofthefollowingtestsrelatedtoacquisitionandinventory,indicatetheeffectofthedeficiencyontheplanningofdirecttestsoftherelatedaccountsbalances.1. Theclientutilizesanautomatedpurchasingsystem.However,inthetestsofcontrols,theauditor
York University - ADMS - 4551
Fishers BoatsOne of your audit clients, Fishers Boats, manufactures fishing boats and sells them allover the country. Boats are sold to dealers who finance their purchases with their banks.The banks usually pay Fishers within two weeks of shipment. Fis
York University - ADMS - 4551
Part A - Question 1 (29 marks - 65 minutes)Gabby Manufacturing is a privately-owned leading manufacturer and distributor oflockers, locks, and keys for numerous industries. It is best known for its widely usedlocker system with the plastic orange cap.
York University - ADMS - 4551
Harris and the AuditorsHarris decided that the easiest way to make the Fabricator Division appear moreprofitable was through manipulating the inventory, which was the largest asset onthe books. Harris found that by increasing inventory by 2%, income co
York University - ADMS - 4551
ADMS 4551Week 10 - InventoryHillmart RetailYour client is Hillmart, a retail department store that purchases all goods directlyform wholesalers or manufacturers. Select the most appropriate audit procedurefrom the list below and enter the number in t
York University - ADMS - 4551
Group Name _Group Members Present__ Past Exam QuestionLance Popper is a junior auditor with the accounting firm Dig and Deep, LLP. Herecently discovered through a casual conversation with Betty Boone, another audit juniorwith Dig and Deep, that one o
York University - ADMS - 4551
May Arlynne MarceloStudent # 20910633705/19/2011Intense Fitness Limited (IFL)1. The three business risks are profitability issues in regards to the 6 clubs that areoperating below breakeven membership levels, IFLs competitive environment(new home fi
York University - ADMS - 4551
4551Session 9In-Class Group ExerciseVerona ShoesVerona Shoe Company is considering automating its credit approval function. Itmanufactures a brushed pigskins shoe and acts as a wholesaler by buying closeouts ofother brands and selling them to approx
St. Louis CC - MASS COMMU - 201
Question 12.5 out of 2.5 pointsPolling companies relinquish all r ights to their findings when they issue the results to theirclients.AnswerCorrect Answer:FalseQuestion 22.5 out of 2.5 pointsPeople who answer surveys always answer t ru thfully.
St. Louis CC - MASS COMMU - 201
Question 12.5 out of 2.5 pointsPublic figures like Michael J. Fox use the media to communicate their messages.AnswerCorrect Answer:TrueQuestion 22.5 out of 2.5 pointsThe better your media literacy skills, the better equipped you are to deal with a
St. Louis CC - MASS COMMU - 201
Question 12.5 out of 2.5 pointsNetscape was the first Internet browser.AnswerCorrect Answer:TrueQuestion 22.5 out of 2.5 pointsTexting on most mobile phones is limited to 100 characters.AnswerCorrect Answer:FalseQuestion 32.5 out of 2.5 point
DeVry Chicago - CRITICAL T - 148
Finance Assignment (60 points)1. 1 session = ? weeksa. 1b. 8c. 162. 1 term = ? sessionsa. 1b. 2c. 33. What are the 3 semesters called: _summer__fall_ _spring_4. What is the lowest amount of credits can you enroll in to receive financial aid?a.
The Chinese University of Hong Kong - ACCT - 3111
Chapter 7Cash and ReceivablesIntermediate Accounting 10th editionIntermediateNikolai Bazley JonesAn electronic presentationby Norman SundermanAngelo State UniversityCOPYRIGHT 2007 Thomson South-Western, a part of The Thomson Corporation.Thomson,
The Chinese University of Hong Kong - ACCT - 3111
Chapter 8Inventories: CostMeasurement and FlowAssumptionsIntermediate Accounting 10th editionIntermediateNikolai Bazley JonesAn electronic presentationby Norman SundermanAngelo State UniversityCOPYRIGHT 2007 Thomson South-Western, a part of The
The Chinese University of Hong Kong - ACCT - 3111
Chapter 9Inventories: SpecialValuation IssuesIntermediate Accounting 10th editionIntermediateNikolai Bazley JonesAn electronic presentationby Norman SundermanAngelo State UniversityCOPYRIGHT 2007 Thomson South-Western, a part of The Thomson Corpo
The Chinese University of Hong Kong - ACCT - 3111
Chapter 10Property , Plant andEquipment:Acquisition andDisposalIntermediate Accounting 10th editionIntermediateNikolai Bazley JonesAn electronic presentationby Norman SundermanAngelo State UniversityCOPYRIGHT 2007 Thomson South-Western, a part
The Chinese University of Hong Kong - ACCT - 3111
Chapter11Depreciation andDepletionIntermediate Accounting 10th editionIntermediateNikolai Bazley JonesAn electronic presentationby Norman SundermanAngelo State UniversityCOPYRIGHT 2007 Thomson South-Western, a part of The Thomson Corporation.Tho
The Chinese University of Hong Kong - ACCT - 3111
Chapter 12IntangiblesIntermediate Accounting 10th editionIntermediateNikolai Bazley JonesAn electronic presentationby Norman SundermanAngelo State UniversityCOPYRIGHT 2007 Thomson South-Western, a part of The Thomson Corporation.Thomson, the Star
The Chinese University of Hong Kong - ACCT - 3111
Chapter 13Current Liabilities andContingenciesIntermediate Accounting 10th editionIntermediateNikolai Bazley JonesAn electronic presentationby Norman SundermanAngelo State UniversityCOPYRIGHT 2007 Thomson South-Western, a part of The Thomson Corp
The Chinese University of Hong Kong - ACCT - 3111
Chapter18Income Recognition andMeasurement of AssetsIntermediate Accounting 10th editionIntermediateNikolai Bazley JonesAn electronic presentationby Norman SundermanAngelo State UniversityCOPYRIGHT 2007 Thomson South-Western, a part of The Thomso
The Chinese University of Hong Kong - ACCT - 3111
Chapter 18Income Recognition and Measurement of AssetsObjectives1. Understand the revenue recognition alternatives.1. Explain revenue recognition at the time of sale, during production, and at time ofcash receipt.2. Explain the conceptual issues reg
The Chinese University of Hong Kong - ACCT - 3111
Chapter 7 Cash and ReceivablesI.Casha. Cash and cash equivalentb. Cash managementc. Compensating balancesd. Reconciling the bank accountII.Accounting for Accounts Receivable (A/R)a. Recognizing A/R (when?)(1). Discount(2). Sales return and allo
The Chinese University of Hong Kong - ACCT - 3111
Chapter 10Property, Plant and Equipment: Acquisition and DisposalObjectives1. Identify the characteristics of property, plant, and equipment.2. Record the acquisition of property, plant, and equipment.3. Determine the cost of assets acquired by the e
The Chinese University of Hong Kong - ACCT - 3111
Chapter 8Cost Measurement and Flow AssumptionsI.Concepts-Inventory and Cost of Goods Sold:a.What is Inventory?b.What Costs are Included in Inventory Cost?Purchase discountc.Perpetual vs periodicd.Ending Inventory and Cost of Goods SoldII.Fou
The Chinese University of Hong Kong - ACCT - 3111
Chapter 12:IntangiblesObjectives1. Basic of intangible assets.2. Record the amortization of intangibles.3. Identify research and development costs.4. Account for identifiable intangible assets including patents, copyrights, trademarks andtradenames
The Chinese University of Hong Kong - ACCT - 3111
Chapter 11 Depreciation and DepletionObjectives1. Identify the factors involved in depreciation.2. Record depreciation.1. Different methods2. Explain the conceptual issues regarding depreciation methods.3. Understand the disclosure of depreciation.
The Chinese University of Hong Kong - ACCT - 3111
Chapter 14Current Liabilities and ContingenciesObjectives1. Explain the characteristics of a liability.2. Account for compensated absences.3. Account for warranty costs.4. Explain the terms probable, reasonably possible, and remote related tocontin
The Chinese University of Hong Kong - ACCT - 3111
Zhang, ACCT3111Review of the Accounting CycleHappy Foods Company is a diversified company, which grows, produces, andprocesses consumer food products. It has many leading brands of cereals, and snackfoods and is a publicly listed company on the stock
The Chinese University of Hong Kong - ACCT - 3111
ACCT3111, Yinglei ZhangUnderstanding the Accruals AccountingAMR Corporation (American Airlines) Cash Flows versus AccrualsThis case requires the analysis of AMR Corporation's accrual accounting. Use the balancesheet and income statement from AMR Corpo
The Chinese University of Hong Kong - ACCT - 3111
Tentative Class Schedule-Section A (Monday Classes)TopicSep., 12Readings and Additional MaterialsChapter 3: p76-p96; Case: Happy Food Inc.Special Topic: Understanding the Accruals AccountingCase: AMR Cash-AccrualsSpecial Topic: Earnings Management
The Chinese University of Hong Kong - ACCT - 3111
THE CHINESE UNIVERSITY OF HONG KONGSchool of AccountancyACCT 3111 (A, B, C) Financial Reporting I(1st Term, 2011-2012)InstructorOfficePhoneEmailYinglei ZhangRoom 1020, 10/F, Cheng Yu Tung Building3943-7595Yinglei@baf.msmail.cuhk.edu.hkTAOffic
The Chinese University of Hong Kong - ACCT - 3161
14 editionQuestion 19-xUnder certain circumstances, election for personal assessment may have the effect of reducingtheoverall tax liability of the elector.' What are these circumstances?(7 marks)(Adapted from ACCA/HKSA 2.3H D86Q6(b)Answer for Ques
The Chinese University of Hong Kong - ACCT - 3161
14 editionQuestion 4-x(a) What is the definition of 'parent of the person or his or her spouse' under the Inland RevenueOrdinance? (5 marks)(b) Under what circumstances shall a dependent parent allowance and an additional dependentparent allowance be
The Chinese University of Hong Kong - ACCT - 3161
14 editionQuestion 3-1Discuss briefly the assessability of the following items with respect to salaries tax:(a) A $200 cash coupon given by an employer to an employee as a wedding gift.(b) An ex-gratia payment by the employer in the form of a gold coi
The Chinese University of Hong Kong - ACCT - 3161
14 editionQuestion 2-1Mr Bates, an American, was recruited in Hong Kong by CD (Hong Kong) Limited (CD), acompany incorporated in Hong Kong, whose directors' meetings were held in Hong Kong.CD is a member of an international group of companies whose ma
The Chinese University of Hong Kong - ACCT - 3161
Dora 12 editionQuestions and answers(1) State the primary functions of the Board of Review.(Adapted from ACCA/HKSA 2.3H J91Q6(a)Ans:The primary function of the Board of Review is to hear and dispose of appeals againstthe CIRs determination in object
The Chinese University of Hong Kong - ACCT - 3161
14 editionQuestion 6-1(1)Mr. Lee owns a residential flat which was let to Mr. Chan who failed to pay rent fromOctober -2 onwards. Mr. Lee regained possession of the flat on 1 April -1. The flat wasvacant until 1 July -1 when Mr. Lee entered into a fi
The Chinese University of Hong Kong - ACCT - 3161
14 editionQuestion 5-1Mr Ma was a manager employed by a local import and export company. In his employmentcontract covering the three years ended 31 March year 0, it was provided that Mr Ma's salarywas $35,000 per month with one month bonus payable at
The Chinese University of Hong Kong - ACCT - 3161
Chapter 6Property Tax1. Scope of charge2. Assessable value3. Net Assessable value4. Calculation of property tax5. Provisional property tax(year 11/12) 14th edition1Scope of charge 1. Owner of land/building situated in HK 2. Land/Building includ
The Chinese University of Hong Kong - ACCT - 3161
Chapter 6Property Tax1. Scope of charge2. Assessable value3. Net Assessable value4. Calculation of property tax5. Provisional property tax(year 11/12) 14th edition1Scope of charge 1. Owner of land/building situated in HK 2. Land/Building includ
The Chinese University of Hong Kong - ACCT - 3161
Chapter 5Salaries Tax: Husband & WifeKey points1. Husband & wife2. Husband & wife living apart3. Separate taxation4. Joint assessment(year 11/12) 14th edition1Terms Husband a married man whosemarriage is recognized (para 1) Wife a married wom
The Chinese University of Hong Kong - ACCT - 3161
Chapter 4Salaries Tax & DeductionKey points Allowable outgoing and expenses Concessionary deduction Personal allowances Net assessable income Net chargeable income Tax rates Computation(year 11/12) 14th edition1Outgoings & Expenses All outgoi
The Chinese University of Hong Kong - ACCT - 3161
Chapter 3Salaries Tax : IncomeKey points :1.Basic period of assessment2.Date of accrual3.Relating back of lump sum4.Income from office/employment5.Case law6.Benefits-in-kind7.Share option8.Accommodation benefit9.DIPN 16(year 11/12) 14th edition
The Chinese University of Hong Kong - ACCT - 3161
Chapter 2Salaries Tax : Scope of ChargeKey points :1. Scope of charge2. Locality of employment3. Locality of office4. Locality of Pension5. Exempted income6. Recognized retirement schemes(year 11/12) 14th edition1Scope of charge S. 8 IRO Salari
The Chinese University of Hong Kong - ACCT - 3161
Taxation and tax planningBy K S KwongYear 2010/111Chapter 1Introduction Key points: 1.Describe the characteristics of HK Taxsystem 2.Explain some basic terms (briefly) 3.Describe the functions of IRD,BIR &BOR 4.Describe the sources of tax law