Cooperativity Study guides, Class notes & Summaries

A - Alanine (1 letter) Activation of enzymes through ligand binding: why would this be useful? - The binding of a ligand to an allosteric site of a multimeric enzyme often induces positive cooperativity, that is the binding of one substrate induces a favorable conformation change and increases the enzyme's likelihood to bind to a second substrate. Ala - Alanine (3 letter) Arg - Arginine (3 letter) Asn - Asparagine (3 letter) Asp - Aspartic Acid (3 letter) Barr body and relation to heter...

A Hill coefficient (nH) of 2 indicates that: A) there is positive cooperativity in ligand binding. B) there are two ligand-binding sites. C) there is negative cooperativity in ligand binding. D) there is positive cooperativity in ligand binding and there are two ligand-binding sites. E) there is negative cooperativity in ligand binding and there are two ligand-binding sites. - A) there is positive cooperativity in ligand binding. A monoclonal antibody differs from a polyclonal antibody in...

You're using anion exchange chromatography to purify a small globular protein. After passing the mixture through the column, you find that your protein did not "stick" to the resin and flowed right through. What is a plausible reason for this to have occurred? Correct Answer-The pH of the solution is close to the isoelectric point. Oxygen binding that affects the cooperatively of hemoglobin is an example of heterotrophic regulation. Correct Answer-False You have determined that a leucin...

Prophase I (Meiosis) CORRECT ANSWER During which phase of meiosis do tetrads form? 4 haploid cells CORRECT ANSWER What is the end result of meiosis and Cytokinesis? The first step in gene expression CORRECT ANSWER Transcription of DNA into a molecule of mRNA At the G2 checkpoint, damaged DNA that cannot be fixed will initiate a cellular, self-destruct process called: CORRECT ANSWER Apoptosis The activity of an ezyme could be regulated by: CORRECT ANSWER Feedback Inhibition Positive ...

E1: Why do proteins fold? - Answer A and B are correct (It is entropically favorable for water & It is enthalpically favorable for the protein) E1: The structural changes in hemoglobin that contribute toward its positive cooperativity for oxygen consist of: - Answer All of the above ( movement of iron into the plane of the heme & movement of a neighboring veiling residue due to strain from changes in the heme & the breaking of a covalent bond with the regulatory molecule BPG

Microfilament assembly is directional, in that there is a defined (-) and (+) end Correct Answer-A) True Cooperativity or allostery relates to Correct Answer-D) Quaternary strucuture How does the hydrophobic effect influence the structures of large molecules? Correct Answer-D) A and B a- nonpolar groups are not easily solubilized in water and aggregate b- polar groups are oriented on the surface, interacting with the water An exergonic process is spontaneous Correct Answer-A) True ...

FTCE Biology Practice Exam Questions with 100% Correct Answers During which phase of mitosis do tetrads form? a) prophase I b) prophase II c) metaphase I d) metaphase II - Correct Answer ️️ -a) prophase I The result of meiosis and cytokinesis is: a) two haploid (1n) cells b) four haploid (1n) cells c) two diploid (2n) cells d) four diploid (2n) cells - Correct Answer ️️ -b) four haploid (1n) cells What is the complementary sequence to this segment of DNA: 5' CGTTAGGAATAC 3...

Ways of regulating enzymes - correct answer allosteric effector competitive inhibition noncompetitive inhibition cooperativity Competitive inhibition - correct answer substance the enzyme by occupying the active site Noncompetitive inhibition - correct answer substance inhibits the enzyme by binding to a location other than the active site and changes the shape of the enzyme Cooperativity - correct answer enzyme becomes more receptive to additional substrates Ribosomes are...

bcss 1010 exam 4 questions & answers 2024-25 Metabolism - ANSWERSthe totality of an organism's chemical reactions cooperativity - ANSWERSamplifies enzyme activity feedback inhibition - ANSWERSA method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway. metabolic pathway - ANSWERSBegins with a specific molecule, which is then altered in a series of defined steps, resulting in a certain product. catabolism is...

FTCE Biology Practice Exam Questions with 100% Correct Answers During which phase of mitosis do tetrads form? a) prophase I b) prophase II c) metaphase I d) metaphase II - Correct Answer ️️ -a) prophase I The result of meiosis and cytokinesis is: a) two haploid (1n) cells b) four haploid (1n) cells c) two diploid (2n) cells d) four diploid (2n) cells - Correct Answer ️️ -b) four haploid (1n) cells What is the complementary sequence to this segment of DNA: 5' CGTTAGGAATAC 3...