Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Protein activity is controlled by multiple mechanisms in the cell. Briefly describe how this type of protein control is used in the cell and if this is an example of pre- or post-translational control.
Allosteric activation
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- "I'm interested in learning about diverse post-translational modifications (PTMs) and their functional roles. Could you provide insights into several instances of PTMs along with explanations of their mechanisms?"arrow_forwardDetermine whether the following will increase or decrease gene expression: mRNA degradation mRNA capping Binding of a transcriptional activator Ubiquitination of a protein and targeting to the proteasomearrow_forwardThe required association of two α-globin molecules and two β-globin molecules to make a functionally active hemoglobin molecule is an example of translational control. post-transcriptional control. post-translational control. chromatin control. transcriptional control.arrow_forward
- Define downstream processing when producing a protein and list two examples. Cite itarrow_forwardExplain how the information in mRNA is converted into a fully folded protein, and how the misfolding of proteins can result in disease, giving an example of such a condition. please expain indded with examplearrow_forwardWhat type of regulation does the interaction of BPG with hemoglobin represent? Cooperativity Homotropic allostery Heterotropic allostery Covalent post-translational modificationarrow_forward
- Provide one mechanism by which changes in mRNA levels are not always matched by changes in the protein product of that mRNA.arrow_forwardWhat does it mean to study the subcellular localization of a protein? What are two techniques that could be used to study the subcellular localization of a protein? Then specify how each of these techniques could be used to study a transcription factor in liver cellsarrow_forwardWhen CAMP binds to the Catabolite Activator Protein (CAP), it causes a conformational change on the protein, which results in binding to the CAP- binding site on the DNA and molecule is known as a(n) of the lac operon. This conformational change induced by the binding of another transcription activation; allosteric effect transcription repression; binding effect translation; distortion effect mutation; interactive effect attenuation; compression effect O O O Oarrow_forward
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