6766129917 | Cellular Macromolecules | All living things are made up of 3 classes of large biological molecules: carbohydrates, lipids, proteins, and nucleic acids | 0 | |
6766141590 | Lipids vs other | All but lipids are polymers | 1 | |
6766148640 | Polymer | a long molecule consisting of many similar building blocks | 2 | |
6766153129 | Monomer | the repeating units that serve as building blocks | 3 | |
6766160887 | Polymers- Carbohydrates (Polysaccharide) | Monomers- Monosaccharides | 4 | |
6766167616 | Polymers-Nucleic Acids | Monomers- Nucleotide | 5 | |
6766171471 | Polymers-Proteins | Monomers-Amino Acids | 6 | |
6766209507 | Dehydration | A chemical reaction in which 2 molecules become covalently bonded to each other with the removal of a water molecule | 7 | |
6766180551 | 1. Synthesis | building polymers -dehydration -covalent bonds between monomers -endergonic -enzyme catalyst | 8 | |
6766230005 | Between Monomers | Covalent bonds | 9 | |
6766232574 | Endergonic | requires energy | 10 | |
6766238202 | Enzyme Catalyst | a macromolecule serving as a catalyst, a chemical agent that speeds the rate of reaction without being consumed by the reaction -most are proteins | 11 | |
6766270738 | B. Breakdown | -hydrolysis -energy released ATP-ADP -digestion | 12 | |
6766285001 | Hydrolysis | a chemical reaction that breaks bonds between two molecules by the addition of water; functions in disassembly of polymers to monomers | 13 | |
6766301532 | Digestion | the breaking down of food into molecules small enough for the body to absorb | 14 | |
6766310220 | Macromolecules | proteins, nucleic acids, lipids, carbohydrates | 15 | |
6766322167 | Carbohydrates | sugars and starches | 16 | |
6766324805 | Functions of Carbs | structure, energy, storage | 17 | |
6766353035 | Monosaccharides | have a molecular formula that are multiple of the unit CH2O -glucose is most common | 18 | |
6766368202 | Glycosidic Linkages | joins 2 monosaccarides making a disaccharide (sucrose most common-table sugar) -it is a covalent bond formed between 2 monosaccharides by a dehydration reaction | 19 | |
6766384134 | In Carbs | Shape matters | 20 | |
6776342605 | Sucrose- Carbs | made of glucose and fructose | 21 | |
6776346000 | Carbs- Alpha glucose | used to form polymer starch | 22 | |
6776347353 | Carbs- Beta glucose | used to form polymer cellulose | 23 | |
6776351271 | Chemical equilibrium | between linear and ring structures favors rings | 24 | |
6776356309 | Polysaccharides | the polymers of sugars, have storage and structural roles -their structure and function are determined | 25 | |
6776361663 | Disaccharides | Lactose Intolerance | 26 | |
6776363997 | Lipids | are the one class of large macromolecules that does not include the polymers -they mix poorly if at all with water -are hydrophobic b/c they consist mostly of hydrocarbons | 27 | |
6776375474 | Hydrocarbons | form covalent bonds | 28 | |
6776378351 | Most important lipids | fats, phospholipids, and steroids | 29 | |
6776387390 | Lipids-Uses | cell membranes, insulation (trap heat), cushioning organs, sufactants on lungs, hormones, energy storage: >2x carbs | 30 | |
6776397808 | Fats and Oils | gylcerol + 3 fatty acids (ester linkage triacylglycerol) -nonpolar covalent bonds (c-h) -single or double | 31 | |
6776408481 | Fatty acids | vary in length(number of carbons) and in the # and locations of double bonds | 32 | |
6776415632 | Saturated Fatty Acids | have the maximum number of hydrogen atoms possible and no double bonds - in animals for insulation -ex. butter, lard | 33 | |
6776421945 | Unsaturated Fatty Acids | have one or more double bonds ex. olive, fish, vegetable oil, plants and fish use it | 34 | |
6776427710 | Monosaturated | 1 double bond | 35 | |
6776429585 | Polysaturated | >1 bond | 36 | |
6776431392 | Trans Fat | unsaturated w/ trans-isomer fatty acids -no bends -hard to bond with -hydrogenation (more saturated) ex. margarine | 37 | |
6776444607 | Trans Fat Risk- Triglycerides | type of fat found in blood hardening of arteries | 38 | |
6776449606 | Trans Fat Risk- Lp(a) liprotein | Lp(a) is a type of LDL cholesterol, causes more inflammation | 39 | |
6776454788 | Phospholipids | glycerol + 2 fatty acids -3rd hydroxyl group -hydrophilic polar head -2 hydrophobic -bilayers -self assemble in presence of H2O | 40 | |
6776464168 | Steroids | 4 fused C rings + functional groups ex. cholesterol (synthesized in liver), estradiol, testosterone, pheromones | 41 | |
6776473843 | Proteins | -polypeptides - a biologically functional molecule that consists of one or more polypeptides | 42 | |
6776478915 | Protein Uses | structure, storage, movement, immunity, enzymes, critical in every biological process | 43 | |
6776488343 | Enzymes | -most proteins are - control metabolism in a cell selectively facilitating chemical reactions -selective acceleration of chemical reactions ex. digestion | 44 | |
6776498993 | Proteins-Monomers | - amino acids - same base -side chain ("r" group) varies - physical and chemical properties determine characteristics= role polypeptide | 45 | |
6776517460 | Amino Acids | -9 non-polar AAs -6 polar AAs (moderately hydrophilic side chains) -Charged AAs (every hydrophilic side chains) | 46 | |
6776533055 | Protein Formation | -peptide bonds - this is a dehydration reaction between amine and carboxyl - joined one at a time to form proteins, using covalent linkages called peptide bonds | 47 | |
6776543613 | Protein Conformation (Structure)- 1 | -linear sequence of AAs -varies in: #, order, identity -b/c of chemistry of amino acid polymerization - always begin with amine and end with carboxyl -length, order, and identity of amino acid distinguishes 2 different proteins | 48 | |
6776561045 | 2nd Structure | -H bonding between peptide bonds -common shapes: alpha helixes, beta-pleated sheet -these structures arise b/c different peptide bonds can hydrogen bond to each other id oriented a certain way | 49 | |
6776576703 | 3rd structure | -3D structure determines protein function -interactions between R groups -controlled by 1st structure | 50 | |
6776587827 | 4th Structure | -only some proteins -2+polypeptides permanently bond together to form a functional unit | 51 | |
6776599357 | Denaturation | the loss of protein's native structure - denatured protein is biologically inactive and uncoiled -does not disrupt primary structure' ex. egg=permanent ex. warmed milk- can be cooled=temporary | 52 | |
6776607000 | Unraveling of Proteins | can be caused by pH, salt concentration, temp, or other environmental factors | 53 | |
6776620743 | Nucleic acids | the amino acid sequence of a polypeptide is programmed by a unit of inheritance called a gene (consist of DNA, a nucleic acid made of monomers called nucleotides) | 54 | |
6776641101 | The Roles of Nucleic Acids | -DNA provides directions for its own replication -DNA directs synthesis of messenger RNA (mRNA), controls protein synthesis -gene expression, important because the flow of genetic info can be summarized as DNA-RNA-Protein | 55 | |
6776659333 | 2 Types of Nucleic Acids | DNA- deoxyribonucleic acid RNA- ribonucleic acid | 56 | |
6776664936 | Nucleotides | - N containing base -Phosphate - 5 Carb -nulceoside (nitrogenous base and sugars) | 57 | |
6776672376 | Bases | Cytosine, thymine, uracil, adenine, guanine | 58 | |
6776682815 | Pyrimidines | -6 member ring -cytosine, thymine, uracil | 59 | |
6776692897 | Purines | fused 5 and 6 member rings -adenine and guanine | 60 | |
6776698982 | DNA/RNA Synthesis | a DNA strand (or DNA molecule) is synthesized by bonding the phosphate of one nucleotide | 61 | |
6776708281 | Bonding the phosphate of one nucleotide for DNA/RNA synthesis | this covalent bonding results in a phosphodiester linkage and creates a repeating backbone of sugar-phosphate units, with the bases extended sideways | 62 | |
6776724468 | DNA strands held together by H bonds | - 2 purines will not form a base-pair -2 pyrimidines will not form a base pair | 63 | |
6776728769 | RNA | base-uracil sugar-ribose -single stranded -molecule usually shorter | 64 | |
6776733860 | DNA | base-thymine sugar-deoxyribose double strands | 65 |
cH.5 CELLULAR MOLECULES AND MACROMOLECULES Flashcards
Primary tabs
Need Help?
We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.
For general help, questions, and suggestions, try our dedicated support forums.
If you need to contact the Course-Notes.Org web experience team, please use our contact form.
Need Notes?
While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!