Bch210 lecture 1 Study guides, Class notes & Summaries

What are the different biochemical molecules of life? correct answer: - proteins = antibodies, receptors, transorters, hormones enzymes - lipids = fats, cholesterol, hormones - sugars = energy, cell structure - nucleic acids = DNA, RNA - small molecules= vitamines, metabolites - ions = K+, Na+, Ca2+, Cl- - water What are the 2 different types of hormones? correct answer: - protein/ lipid derivative What determines the function of a molecules correct answer: structure What cause...

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Peripheral membrane proteins correct answers- Adhere to lipid membranes or integral membrane proteins through non-covalent interactions. - Stuck to the membrane but weakly bound, tethered to the outside. - Can be on the outside of the cell or facing the cytosol. - Can be removed using milder conditions (high salt or a change in pH). Hydrophobic loops on peripheral membrane proteins correct answers- Part of a protein that dips into a membrane without spanning the whole membrane. - Acts as ...

What is hemoglobin? correct answersa protein tetramer consisting of two alpha and two beta polypeptide chains globin is protein contains heme What causes sickle cell anemia? correct answersa single amino acid change (Glu6Val) in the beta chain of hemoglobin What does Hb S form? correct answerslong polymers that change the shape of the red blood cell What is the polymer of a protein? correct answersamino acids linked by peptide bonds