Microbiology | Senioritis

Mohamed Abbas
June 21, 2023
Microbiology

Maintaining Optimal pH: The Key to Preserving Protein Structure and Function

Which macromolecule in the cell is most sensitive to changes in pH? Protein The macromolecule that is most sensitive to changes in pH is protein. Proteins contain...

Mohamed Abbas
June 21, 2023
Microbiology

The Importance of Regulating Intra-Cellular pH Levels in Bacteria for Optimal Functioning of Electron Transport Chain

Which metabolic process in the bacterial cell is particularly challenging at high pH? Cellular Respiration The bacterial cell relies on various metabolic processes to survive and carry...

Mohamed Abbas
June 21, 2023
Microbiology

Unraveling the Secrets of Hyperthermophilic Proteins: Adaptations to Thrive in Extreme High Temperatures

How are hyperthermophile’s proteins adapted to the high temperatures of their environment? Structural differences: increase fluidity of cell membranes (ratio of saturated to polyunsaturated lipids)Higher proportion of...

Mohamed Abbas
June 21, 2023
Microbiology

Exploring Extreme Life: NASA Funding Microbiology Research in Antarctica as a Space Analog Environment

*Why would NASA be funding microbiology research in Antarctica? Comparable to how temperatures affect cells (atmosphere temps affect human cells) Membranes lose fluidity/damaged/proteins become rigid/reactions & diffusion...

Mohamed Abbas
June 21, 2023
Microbiology

How Gram-Positive Bacteria Retain Stain and the Role of Peptidoglycan in Cell Wall Structure: An Insight

Gram positive bacteria retain the primary stain because of the: high content of the peptidoglycan in the cell wall Gram-positive bacteria retain the primary stain (crystal violet)...

Mohamed Abbas
June 21, 2023
Microbiology

Detecting Acid-Fast Organisms: An Overview of The Ziehl-Neelsen Staining Method for Mycobacteria Identification.

A positive acid-fast organism would stain: red/pink A positive acid-fast organism would stain pink or red in color after the Ziehl-Neelsen staining procedure. This staining technique is...

Mohamed Abbas
June 21, 2023
Microbiology

Effective Microbiological Specimen Collection: Why Calcium Alginate Swabs are Unsafe and How to Ensure Accurate Results using Sterile Cotton or Rayon Swabs?

________ swabs should not be used to collect microbiological specimens, as they contain fatty acids that are toxic to some bacteria. cotton Calcium alginate swabs should not...

Mohamed Abbas
June 21, 2023
Microbiology

Enhance Microbial Identification with Schaeffer-Fulton Stain: A Comprehensive Guide

The _______ is used to directly stain parasitic ova and nuclei. iodine mount The Schaeffer-Fulton stain is used to directly stain parasitic ova and nuclei. It is...