Biochemistry | Senioritis

Mohamed Abbas
June 21, 2023
Biochemistry

Fatty Acid Synthesis: An Insight into Lipogenesis and its Energy Demands

Fatty acid synthesis begins with a preparatory step in which ___ is transferred from ___ to the ___. However, it cannot pass through the membrane, so it...

Mohamed Abbas
June 21, 2023
Biochemistry

Unlocking the Mystery: Acetyl CoA Conversion in Cellular Processes

In the cytosol, acetyl CoA is converted to ___, a three-carbon compound. malonyl CoA In the cytosol, Acetyl CoA is converted to “acetyl-CoA” or “acetyl-coenzyme A” (the...

Mohamed Abbas
June 20, 2023
Biochemistry

Unraveling the Mechanism of Hemoglobin’s Cooperative Binding of Oxygen: Insights into the Bohr Effect

Describe the structural changes in hemoglobin that allow for cooperative binding of O2 Binding of O2 in one subunit causes a conformational change in an adjacent subunit...

Mohamed Abbas
June 20, 2023
Biochemistry

Optimizing Charge: Determining the Charged Amino Acids in Molecule A at pH 7 Based on pKa Values

Which amino acids in “a” would be charged at pH 7? Asp, Glu, Arg, His, Lys To determine which amino acids in molecule “a” would be charged...

Mohamed Abbas
June 20, 2023
Biochemistry

Exploring the Role of Negatively Charged Amino Acids: Aspartic Acid and Glutamic Acid

Which amino acids are negatively charged? Asp, Glu There are two amino acids that are negatively charged at physiological pH. These are aspartic acid (Asp or D)...

Mohamed Abbas
June 20, 2023
Biochemistry

Unlocking the Science: Exploring the Role of Positively Charged Amino Acids in Enzyme Catalysis and Protein Interactions

which amino acids are positively charged? Arg, His, Lys The amino acids that are positively charged are: 1. Arginine (Arg/R): It has three positively charged functional groups...

Mohamed Abbas
June 20, 2023
Biochemistry

The Importance of Hydrogen Bonding, Hydrophobic Interactions, and Disulfide Bridges in Stabilizing Beta Sheets in Proteins

How are beta sheets stabilized in proteins? Hydrogen bonding between peptide backbone groups Beta sheets are one of the secondary structures found in proteins, which are stabilized...

Mohamed Abbas
June 20, 2023
Biochemistry

Why Myoglobin Lacks Cooperativity in O2 Binding: Structural Differences with Hemoglobin Explained

Does myoglobin show cooperativity in O2 binding? If not, what structural differences account for this? Myoglobin does not show cooperativity because it is monomeric Myoglobin does not...