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Lecture 1: Biochemistry Flashcards

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5899369074Name the 4 major classes of biomoleculesproteins, carbohydrates, nucleic acids, and lipids0
5899379473What is the purpose of the central dogmato describe the basic principles of biological information transfer1
5899396494Proteins are polymers made from ________ monomersamino acid2
5899401603What determines the function of a proteinthe shape and content of amino acids3
5899410817Name the 5 functions of a protein and give an example1) signal molecule: hormone-insulin 2) receptors for molecules - hemoglobin 3) biological catalysts - enzymes 4) structural building blocks - keratin in hair and nails 5) motors - myosin in muscle4
5899439076What are the monomers of carbohydratesmonosaccharides such as glucose, fructose, and galactose5
5899458049What are the 4 major functions of a carbohydrate1) fuel - create ATP from glucose 2) store energy - glycogen made up of glucose 3) signal molecule 4) recognition of other cells bc of carbs on cell membranes6
5899482908What are the monomers of nucleic acidsnucleotide7
5899486910What are the components of a nucleotidephosphate group, pentose sugar, and nitrogenous base8
5899495304What are the components of an amino acidamino group, central carbon w/a H and a Rgroup, and carboxyl group9
5899506963Name 3 major nucleic acidsDNA, RNA, and ATP10
5899694910Name the 4 functions of nucleic acids1) store and transmit genetic information 2) structural 3) signaling 4) energy currency - ATP11
5899730386Which nucleic acid forms a double helixDNA12
5899733046Which nucleic acid forms a single strand normally but maybe double stranded and form complex structuresRNA13
5899740004What are the components of a DNA molecule - be specificphosphate group deoxyribose sugar nitrogenous bases: adenine, guanine, cytosine, or thymine14
5899787892What are the components of a RNA molecule - be specificphosphate group ribose sugar nitrogenous bases: adenine, guanine, cytosine, or uracil15
5899808040What specifies the information content in a nucleic acidthe arrangement of nucleotides16
5899813212What is the function of the central dogmadescribes the flow of genetic information17
5899817643Define genomecomplete set of genetic information i.e. contains blueprints of an organisms in the form of genes that encode proteins18
5899828304Define replicationprocess of making DNA from DNA19
5899831055Define transcriptionprocess of making RNA from DNA20
5899835761Define translationprocess of making proteins from RNA21
5899843222Describe the flow of genetic information from DNA to ProteinsDNA is TRANSCRIBED into RNA which is TRANSLATED into a protein22
5899853698Which enzyme catalyzes DNA replicationDNA polymerase by joining 2' deoxy nucleotides23
5899876429Which enzyme catalyzes transcriptionSince transcription is making RNA the enzyme is RNA polymerase24
5900046801How many different types of RNA are thereEach cell in an organism expresses specific types of RNA25
5900299441Name 3 major functions of a lipid1) creates membrane: bi-phosphate layer 2) store energy as fuel: in hydrocarbon chains 3) Signals: lipid derivatives are used as cells to transmit signals26

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