Une Chem 1005 Biochem Midterm Questions With Complete Solutions

In the nucleus, the hormone-receptor complex acts as a {Ans: Transcription factor}H+ can not pass through the {Ans: Inner mitochondrial membrane, which is essential to maintaining a H+ gradient needed for ATP production}Myoglobin has a hydrophobic pocket containing? {Ans: Heme with ferrous iron atom (Fe+2) at its center for oxygen binding}Complex II accepts {Ans: Succinate and is coupled with FADH2 oxidation}Enzyme active sites contain {Ans: Functional groups that participate in the reaction}Pyruvate carboxylase {Ans: Carboxylates pyruvate to oxaloacetate}Primary protein structure {Ans: Linear sequence of amino acids in polypeptide chain. Written from amino (N) terminus to the carboxyl (C) terminus}Heme is tightly bound to {Ans: Globin, it is termed a prosthetic group}Cortisol is destroyed by {Ans: The liver}Cortisol binds to {Ans: Cortisol receptors in the cytosol}Metal ions {Ans: Inorganic and may be incorporated as part of a prosthetic group (e.g. heme)}Oxaloacetate is reduced to {Ans: Malate}Glycogen is stored primarily in the {Ans: Liver Skeletal muscles}Enzymes increase the rate of reaction by {Ans: Decreasing the activation energy, stabilizing the transition state}Structural domains are ___ and have a specific ____? {Ans: Defined regions, function}Complex II name {Ans: