Biochemistry Questions
Explore questions in the Biochemistry category that you can ask Spark.E!
What prosthetic group is present in E1 of the PDH complex?
Is the reaction turning pyruvate into acetyl-CoA and CO2 (via PDH complex) reversible or irreversible?
Is NAD+ the oxidized or reduced state?
NAD+/NADH can carry how many electrons?
The word "oxidative" in "oxidative decarboxylation" indicates:
Is NADH in the oxidized or reduced state?
Pyruvate undergoes ___________________ to produce acetyl CoA.
NAD+/NADH can be derived from which vitamin?
In contrast to the mitochondrial beta oxidation, the first enzyme in peroxismal Beta oxidation introduces
after a mixed meal containing carbohydrate, the major fuels used by the liver are?
The figure on the right, Km is indicated at
The side chains of amino acids that make up the catalytic triad of chymotrypsin contains?
When a nucleophile present in the enzyme attacks an electrophilic substrate to form an enzyme-substrate intermediate, this is an example of ____________ catalysis.
Human myoglobin and hemoglobin can bind oxygen by a protein-bound heme. The prosthetic group, heme, encompasses a _______________ ion.
The catalytic triad of chymotrypsin is composed of His57 and ________________
Priming of the S protein of SARS-CoV-2, proteolytic cleavage of S1/S2 and S2', is crucial for virus entry. SARS-CoV-2 has a PRRA insert indicating _
Ka describes the equilibrium between the complex and the unbound components, what is Kd (formula at the right)?Ka = [PL]/[P][L] = 1/Kd
Multisubunit proteins, conformational changes in one subunit can affect the others and is called?
Conformational changes may occur upon ligand binding (for instance hexokinase). How is this mechanism called? ___________
Which one of the following are common catalytic reaction mechanisms in enzyme active sites? ______ catalysis.