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AP Biology Biomolecules Flashcards

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5161783338Polarityunequal sharing of electrons due to one atom having a greater electronegativity than the other, such as in water(h2o)0
5161796395Hydrogen Bond (weakest)Form between the positively charged hydrogen atom of one molecule and the strongly electronegatively charged oxygen of nitrogen of another molecule.1
5161881584MonomerSmall sub units strung together molecules2
5161883453PolymerMade up from many smaller sub-units, chemically joined together.3
5161785246Covalent BondStrongest Shared valence electrons form molecules may be polar or nonpolar usually between two or more nonmetals4
5161797972OligosaccharideCarbohydrate polymers/molecules comprised of three to ten small and simple sugars/monosaccharides5
5161881585HydrolysisPolymers are broken down to monomers with water breaking down the bonds holding molecules together. Opposite of dehydration synthesis6
5161906533Dehydration Synthesis (condensation)When bringing two or more molecules together there is a loss of water7
5161785247OrganicChemical compounds containing carbon that are found in living things8
5161797973InorganicMade of other elements besides carbon or hydrogen9
5161883452PolysaccharideA complex carbohydrate composed of a long chain of small monosaccharides10
5161917542CarbohydrateCHO in ratio of 1:2:1 Functions: energy, raw materials, energy storage, structural materials Monomer: monosaccharide Polymer: polysaccharides11
5161787653MonosaccharideSimplest form of a carbohydrate A simple sugar12
5161797974DisaccharideCombines 2 monosaccharides by dehydration synthesis13
5161928310Saturated FatDOES NOT have double bonds and has as many hydrogen atoms as it can C saturated with H14
5161946690Unsaturated FatDOES have double bonds of C (covalent bonds)15
5161787654TriglycerideMade up of: Glycerol and 3 fatty acids16
5161949416SteriodIt is a lipid Hydrophobic and insoluble17
5161955546Amino AcidBuilding block for proteins length and order of amino acids will give structure of protein 20 known amino acids18
5161951801Hydrophilic"water loving" soluble in water ionic compounds, polar molecules( like sugars) some proteins19
5161791022PhospholipidIt is a lipid main lipid in cell membranes Composed of two fatty acids, a glycerol unit, a phosphate group and a polar molecule20
5161799915Hydrophobic"water fearing" insoluble in water nonpolar componds (like oils)21
5161963281Peptide BondFormed through dehydration synthesis Linking NH^2 of one amino acid to COOH of another C-N bond can grow only in duration of COOH (carboxyl group) primary linkage in all protein structures22
5161967353Polar Amino AcidCharged and are hydroPHILIC23
5161794348Nonpolar Amino Acidnonpolar and hydroPHOBIC24
5161791023PolypeptideChain of amino acids. Amino acids bond together with peptide bonds25
5161799916ProteinCHON Most structurally and functionally diverse group of biomolecules composed of amino acids joined through peptide bonds used to accomplish all life functions26
5161803070Primary StructureBy changing one thing in this step it will affect everything else ordering of the amino acids in a chain sequences determined by gene. By changing the order of amino acids you change its form and function27
5161971747Secondary StructureFolding of atoms caused bc H is bonding between atoms in the C-N alpha helix developed beta helix developed28
5161975457Tertiary StructureFinal geometric shape protein develops and sticks "whole molecule is unfolding" bonding between R groups anchored by disulfide bridges29
5161794349Quaternary Structure(putting polypeptides together) more than one polypeptide chain joined together only "optional" level of structure30
5161983075NucleotideOne of the building blocks for DNA and RNA Contains : base, sugar, and one phosphoric acid31
5161991715DNAmacromolecule = nucleic acid. It is shaped like a twisted double helix and is composed of long strands of alternating sugars and phosphate groups, along with nitrogenous bases (adenine, thymine, guanine and cytosine)32
5161881583DenaturingMolecule ( protein or a nucleic acid) where its chemical structure is altered through chemical or physical means so that some of its original properties are lost or diminished.33
5161796394RNAmacromolecule= nucleic acid. Transfers info from DNA to protein- system of the cell. transferring information from DNA to protein-forming system of the cell.34
5162009923How do carbon skeletons vary, and explain how this variation contributes to the diversity and complexity of organic moleculesCovalent bonds link carbon atoms together in long chains that form the skeletal framework for organic molecules. These carbon skeletons may vary in: -Length -Shape -Number and Location of double bonds -Other elements covalently bonded to available site35
5162015301Explain how the letters of the alphabet are similar to monomers of a polymerBecause just like the alphabet they are limited to a certain amount of monomers. But the length and order they're placed in allows for 1000s of combos36
5162017585Explain why the shape of a molecule is critical to determining its functionThe size and shape determines its function. Determines how bio molecules recognize and respond to one another37
5162023187Draw an example of two monomers forming a polymer through dehydration synthesis (condensation)Monomers join together and water exits the system as a product38
5162029733Explain the phrase "you are what you eat" in the context of dehydration synthesis and hydrolysisIf you eat carbohydrates you get energetic for a short amount of time. If you eat fats you will gain more insulation thus will have a better chance to survive the winter. High energy foods, like donuts with a lot of sugar, give you quick bursts of energy and your energy level will show.39
5162036266Create a graphic organizer that illustrates the structural and functional differences between the four types of carbohydrateson separate paper40
5162049280Identify a. bio process produces carbo such as glucose, fructose, and cellulose b. where this process occurs and in what types of organismsPhotosynthesis produces carbohydrates such as glucose, fructose, and cellulose to feed itself. This process occurs in plants, more specifically in its chloroplasts.41
5162054243Explain how the structure of complex carbo such as starch makes them suited for energy storage.Theyre suited for it because they are more complex and harder to break down. Thus these molecules are stored when needed and wont be broken down unless necessary.42
5162059314Describe the hydrocarbon tail of a fatty acid. Explain why hydrocarbons are excellent sources of energy.The hydrocarbon tail is a hydrogen attached to C:C:C. the bond between hydrogen and carbon is really strong; it is a hydrogen bond. The head is hydrophobic and the tail is hydrophilic It's good because it makes a strong bond to not allow anything to exit the membranes of living organisms.43
5162071468Sketch saturated fatty acid and unsaturated fatty acid, side by side. Explain how their respective structures influence their behavior in living cellsOn separate page44
5162075365Explain why structure of phospholipid is ideal for the construction of cell membranesThe head of it is hydrophobic to not allow any water or soluble liquid to enter it and it protects the interior of the cell. The inside, the tails, are hydrophilic in order to allow the cell plasm to be able to travel on the inside. It is ideal to protect the cell from harmful things on the outside and the inside is easily accessible.45
5162089116Describe how cholesterol works with phopholipids to maintain cell membrane structure at extremes of tempCholesterol has strong bonds w phospholipids. Cholesterol is a lipid and a lipid serves as insulation for a living organism. Since the phospholipid bilayer is rigid46
5162093199Friend cuts all fat from diet. How would this be detrimental to health?Fat is necessary for insulation, energy storage, and and makes up the cell membrane. So cutting this out of your diet would be costly to your health.47
5162102935Draw structure of an amino acid. Explain how changing R group changes properties of amino acid.On separate paper48
5162106297Identify a. bio process that produces proteins b. where does this process occurs and in what types of organismsThe process is translation It occurs in the ribosomes49
5162212348Create cartoon illustrates differences between the four levels of protein structure1. Amino acid in a sequence, like a chain 2. Alpha helix or beta sheet, folding caused by H bond 3. Final folding, where it gets it shape. Can see disulfide bonds if it has sulfur. 4. Puts together any additional proteins50
5162134892Explain how scientists think that DNA evolved from RNA and describe the bonds that hold the DNA molecule togetherRNA is the simple version of DNA and has almost similar functions DNA molecules are held together through hydrogen bonds51
5162119353Explain how environment surrounding a protein influences its shape and structureThe environment shapes and molds the structure to fit the needs that it requires. The environment could be stressful and cause a different number of steroids to form to keep the protein in homeostasis52
5162121184Explain roles of DNA and RNA in making proteinsDNA has the instructions on how to make the protein. RNA transcribes the protein and ribosomal RNA makes the protein.53
5162125651Describe similarities between ATP and nucleotides in DNA/RNABoth contain ribose bonded to adenine and a phosphate group They're both organic molecules and are part or nucleic acids54

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