Cooperativity Study guides, Class notes & Summaries

What do mitochondria and chloroplasts have in common? found in almost all plant cells, evolution from endosymbiotic events Which of the following is an example of potential rather than kinetic energy? molecule of glucose Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen cells (e.g. bacteria) are ingested for food by other cells (e.g. an amoeba) by which of the following? Phagocytosis which of th...

ACS Biochemistry Exam Questions and Correct Solutions 2024 Describe the structural changes in hemoglobin that allow for cooperative binding of O2 - Answer - Binding of O2 in one subunit causes a conformational change in an adjacent subunit allowing O2 to bind Which amino acids in "a" would be charged at pH 7? - Answer -Asp, Glu, Arg, His, Lys Which amino acids are negatively charged? - Answer -Asp, Glu which amino acids are positively charged? - Answer -Arg, His, Lys How are beta sheets...

ACS Biochemistry Exam Questions with All Correct Answers Describe the structural changes in hemoglobin that allow for cooperative binding of O2 - ANSWER Binding of O2 in one subunit causes a conformational change in an adjacent subunit allowing O2 to bind Which amino acids in "a" would be charged at pH 7? - ANSWER Asp, Glu, Arg, His, Lys Which amino acids are negatively charged? - ANSWER Asp, Glu which amino acids are positively charged? - ANSWE...

Describe the structural changes in hemoglobin that allow for cooperative binding of O2 correct answers Binding of O2 in one subunit causes a conformational change in an adjacent subunit allowing O2 to bind Which amino acids in "a" would be charged at pH 7? correct answers Asp, Glu, Arg, His, Lys Which amino acids are negatively charged? correct answers Asp, Glu which amino acids are positively charged? correct answers Arg, His, Lys How are beta sheets stabilized in proteins? correc...

Biochemistry NBME Exam 2024 Well Revised and Verified Answers Updated Proteoglycans Act as molecular sieves in ECM, CT, and cartilage GAGs are the long polysacc chains attached to core protein GAG is heavily hydrated and cushions (has "-" charge) Degraded via lysosomal pathway (defect = MPS) Glycolipids A.K.A. sphingolipids Made with ceramide lipid base Serine + palmitoyl-CoA => sphingosine (+FFA) => ceramide Carb part sticks out into ECM (same w/ glycoproteins) Side chain p...

Bio 1201 exam 2 gregg Exam Questions With 100% Correct Answers transport proteins - answerare responsible for controlling passage across the membrane fluid mosaic model - answerThe membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - answernonpolar, hydrophobic fatty acid heads - answerhydrophilic, polar periphial proteins - answerbound to the surface of the membrane integral proteins - answerpenetrate the hydrophobic core (ones that sp...

AMP Activated Protein Kinase (AMPK) Question and answers rated A+ 2023 Cellular Energy Status - correct answer AMPK-evolutionarily conserved energy gauge Activated by rising and falling ATP levels As adenylate kinase converts 2 ADP --> ATP + AMP, AMP: ATP ratios vary approximately as the sqaure of the ADP: ATP ratio Is a heterotrimer Alpha catalytic subunits, regulatory beta and gamma subunits, each has mutiple isoforms AMP activates AMPK by 3 Methods - correct answer 1. allos...

origin of life RNA capable of coding and catalysing its own replication free energy ΔG; measure of energy required to do work in a reaction; temperature dependent enthalpy ΔH; heat of a reaction; entropy ΔS; change in disorder in a reaction (ex: protein hydrolyzed into amino acids) spontaneous -ΔG; exothermic reaction; -ΔH; +ΔS open system both energy and matter exchange; classification of a living organism (such as a cell) bimacromeolecule ...

LTP induction Exam Questions with Correct Answers What is LTP? - Answer-Long term potentiation (LTP) is a key form of synaptic plasticity that involves a sustained increase in the strength of synapses and is thought to play a fundamental role in the way we learn and store memories What are the key properties of LTP? - Answer-1. Input specificity 2. Co-operativity 3. Associativity What is input specificity? - Answer-Once induced, LTP at one synapse does not spread to other synapses; r...

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