| 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 |