Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
August 17, 2023
Physiology

The Essential Energy Source for Cellular Movement

What are the roles of ATP and ADP in muscle contraction? ATP (adenosine triphosphate) and ADP (adenosine diphosphate) play crucial roles in muscle contraction. Here’s a detailed...

Mohamed Abbas
August 17, 2023
Physiology

Understanding the Role of Haemoglobin

Is Haemoglobin a positively charged Sol? No, haemoglobin is not a positively charged sol. Haemoglobin is a protein molecule found in red blood cells that is responsible...

Mohamed Abbas
August 17, 2023
Physiology

The Influence of Concentration Difference on Diffusion across a Membrane

Why does the time to reach equilibrium across a membrane decrease with concentration? The time to reach equilibrium across a membrane decreases with concentration due to a...

Mohamed Abbas
August 17, 2023
Physiology

A Step-by-Step Guide to Classifying Cytotoxicity Values Using the MTT Assay

How do I classify cytotoxicity values, whether a sample is mildly, moderately, or highly cytotoxic? To classify cytotoxicity values, whether a sample is mildly, moderately, or highly...

Mohamed Abbas
August 17, 2023
Physiology

Boost Performance and Reduce Stress

Why do people make “aaagh” noises when they make an effort (e.g. trying to hit a ball hard)? When people make “aaagh” noises while exerting effort, it...

Mohamed Abbas
August 17, 2023
Physiology

The Role of the Liver in Filtration and Metabolism of Blood

How much percentage of substance does liver take in one pass? In order to answer this question accurately, it is important to clarify which substance you are...

Mohamed Abbas
August 17, 2023
Physiology

Cellular Respiration Energy Release and Storage in the Body

After digesting food, where does the energy go before being stored by the body? After digesting food, the nutrients from the food (such as carbohydrates, fats, and...

Mohamed Abbas
August 17, 2023
Physiology

The Science Behind Heart Rate Recovery

Why is Heart Rate Recovery after exercise reasonably well described by a mono-exponential decay? Heart Rate Recovery (HRR) refers to the rate at which the heart rate...