Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
June 21, 2023
Medicine

The Importance of Shaking Suspensions before Use for Consistent and Accurate Medication Dosage

Why do we have to shake suspensions well before use? To disperse the particles evenly in the liquid phase – sedimentation causes the particles to sink to...

Mohamed Abbas
June 21, 2023
Medicine

Maximizing Drug Efficacy: Benefits of Using Suspension Drug Products in Pharmaceutical Treatment

What are the advantages of using suspension drug products? 1. alternative to solution for drugs that present formulation challenges 2. can be given by many routes of...

Mohamed Abbas
June 21, 2023
Chemistry

Exploring the Hydrophobic Nature of Amino Acids with Nonpolar Aliphatic Side Chains and Their Role in Protein Structure and Function

Glycine, alanine, valine, leucine, isoleucine, and proline are considered amino acids with nonpolar aliphatic side chains. Which of these amino acids are often observed on the surface...

Mohamed Abbas
June 21, 2023
Chemistry

Amide Bonds in Polypeptides: The Importance of Amino Acid Sequencing

Consider this segment of polypeptide compound found in wasp venom. Identify the amide bonds in this compound. Explanation: The amide bond, also called a peptide bond, is...

Mohamed Abbas
June 21, 2023
Chemistry

Exploring the Efficiency of One- and Three-Letter Abbreviations for Communicating about Peptides and Proteins in Biochemistry

Why do you think biochemists tend to use one- and three-letter abbreviations instead of the condensed structural formulas to represent peptides and proteins? Most proteins have hundreds...

Mohamed Abbas
June 21, 2023
Chemistry

Second Law of Thermodynamics: Examining the Relationship between Entropy and Spontaneous Processes.

For each of the following processes, predict whether the entropy of the universe increases or decreases. Entropy increases: C6H12O6(s)+6O2(g)→6CO2(g)+6H2O(l)Formation of a bilayer after lipids are mixed with...

Mohamed Abbas
June 21, 2023
Chemistry

Exploring Protein Structural Diversity: Calculating Total Possible Orientations for a 105 Amino Acid Residue Protein.

Assume a protein is composed of 105 amino acid residues and that each amino acid can have three possible orientations. How many total possible orientations are there...

Mohamed Abbas
June 21, 2023
Chemistry

Complexity of Protein Folding: Exploring Feasible Orientations and Stable Structures.

Given that a protein composed of 105 amino acid residues can hypothetically have 4.17×1049 orientations, explain how it is possible that most proteins only form a handful...