Science | Senioritis

Mohamed Abbas
August 27, 2023
Biochemistry

Understanding the Metabolic Pathways of Phenylalanine and Tyrosine

How does labelled N from tyrosine appear in phenylalanine if the latter is an essential amino acid? Labelled nitrogen (N) from tyrosine does not appear in phenylalanine....

Mohamed Abbas
August 27, 2023
Biochemistry

Advantages of NADP+ Dependent IDH in Cellular Metabolism

Advantages of NADP+ dependent Isocitrate Dehydrogenase NADP+ dependent isocitrate dehydrogenase (IDH) is an enzyme that plays a crucial role in cellular metabolism. It is involved in the...

Mohamed Abbas
August 27, 2023
Biochemistry

The Challenge of Targeting Undruggable Proteins

What is an undruggable target? An undruggable target refers to a protein or biological molecule that is challenging or extremely difficult to modulate or inhibit using traditional...

Mohamed Abbas
August 27, 2023
Biochemistry

The Effects of pH and Temperature on Haemoglobin-Oxygen Affinity

How pH and temperature affect haemoglobins affinity for oxygen? pH and temperature both play significant roles in affecting the affinity of haemoglobin for oxygen. Let’s break down...

Mohamed Abbas
August 27, 2023
Biochemistry

Role of Reduction Enzymes in Xenobiotic Metabolism

Xenobiotic metabolism: phase 1 reduction enzyme In xenobiotic metabolism, phase 1 reactions involve the modification of foreign compounds (xenobiotics) to make them more water-soluble and easier to...

Mohamed Abbas
August 27, 2023
Biochemistry

Effects of Amino Acid Substitutions on Protein Function

Is it possible to change an amino acid within a protein but not affecting that protein’s functions? Yes, it is possible to change an amino acid within...

Mohamed Abbas
August 27, 2023
Biochemistry

Primary Charge Separation and Electron Transfer in Photosynthesis

Primary charge separation in Photosystem II Photosystem II is a complex protein structure located in the thylakoid membrane of chloroplasts in plants and algae. It plays a...

Mohamed Abbas
August 27, 2023
Biochemistry

How Iodine-Fortified Salt Helps Prevent Deficiency Disorders

Why is iodine added to salt? As opposed to fluor or fats/oils like iron and vitamin A? Iodine is added to salt as a public health measure...