Bch210 Study guides, Class notes & Summaries

BCH210 MIDTERM Question and answers 2023 verified to pass

BCH210 TESTED QUESTIONS WITH REVISED ANSWERS – UPDATED cross linker can be used in what techniques - Answer-stabilize X ray structure limitation of BiOID - Answer-can only proximate, maybe the proteins are just passing by the POI beads connect to what in BiOid - Answer-biotin released by ligase what is PDI - Answer-protein disulfide isomerase a kind of chaperon, isomerase structure of DE at pKa, why - Answer-C=O no - charge because protonated are cofactors proteins - Answer-...

Direction of phospholipid movement in flippases? correct answer: Outer to inner leaflet Moves PE (neutral) and PS (-1) Direction of phospholipid movement in floppases? correct answer: Inner to outer leaflet Function of Scramblase correct answer: Increases membrane SYMMETRY Moves phospholipids down their conc gradient Result of adding crosslinkers into cell membrane for FRAP correct answer: Slows down diffusion of phospholipids; slower recovery rate Entropy of lipids [?] when ...

BCH210 Week 4 Questions With Complete Solutions

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...

BCH210 Midterm 2 Question and answers correctly solved 2023

Hemoglobin correct answer: Tetramer of two alpha and two beta polypeptide chains Contains heme Globin is a protein Which amino acid change is involved in sickle cell anemia? correct answer: Glu6Val A single amino acid change in the beta chain of hemoglobin causes sickle cell anemia HbS forms long polymers that change the shape of the RBC Where are hydrophobic and hydrophilic amino acids usually found in a protein? correct answer: Hydrophobic on the inside (non-polar interio...

BCH210 MIDTERM Question and answers 100% correct 2023

What are some membrane properties? correct answer: - Composed of lipid bilayer that are impermeable to polar or charged molecules. - Hydrophobic effect drives membrane formation of amphipathic molecules - Membranes are asymmetric and composed of lipids and proteins - Membrane proteins play key roles in transport of molecules and transduction of info across the membrane What are essential membrane functions? correct answer: - Act as a barrier regulating import and export of essential mo...

types of lipids (purpose) correct answersstorage, structural, and signalling fatty acid chemical structure and charge correct answers- fatty part is the carbon chain - acid part is carboxyl group (-COOH) - negatively charged which conformations of saturated fatty acids are most stable? correct answers- anti conformation - extended conformation unsaturated fatty acids correct answersdouble bonds are almost always in cis conformation which results in kinks in structure mono-unsatura...