Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
June 21, 2023
Microbiology

Advantages of Plating Method Over Electronic Cell Counting for Cell Analysis and Identification

.In terms of counting cells, what does a plating method accomplish that an electronic cell counting method does not? The plating method differentiate between live and dead...

Mohamed Abbas
June 21, 2023
Microbiology

Surviving without oxygen: Mechanisms used by anaerobes to thrive in tissues partially exposed to oxygen

Why are some obligate anaerobes able to grow in tissues (e.g., gum pockets) that are not completely free of oxygen? There are another type of obligate anaerobes...

Mohamed Abbas
June 21, 2023
Microbiology

How a Candle Jar Enhances Growth of Haemophilus influenzae Bacteria: Importance in Research and Diagnosis

Why should Haemophilus influenzae be grown in a candle jar? Hameophilus influenzae is a bacteria that grows best in a higher concentration of CO2 and a lower...

Mohamed Abbas
June 21, 2023
Microbiology

Preventing Botulism in Canned Foods: Anaerobic Bacteria and Proper Canning Techniques

In terms of oxygen requirements, what type of organism would most likely be responsible for a foodborne illness associated with canned foods? Obligate anaerobes (they can have...

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...