Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
June 20, 2023
Immunology

The Importance of T-cell Receptors in Immune Response: Understanding their Structure and Function

T-cell receptors bind antigens or specific peptides presented by antigen presenting cells T-cell receptors (TCRs) are proteins that are found on the surface of T-cells, which are...

Mohamed Abbas
June 20, 2023
Immunology

Understanding the Crucial Role of B Cells in the Adaptive Immune System: From Pathogen Elimination to Autoimmune Disease Prevention

B cells produce an antibody specific to the antigen when they encounter an antigen B cells are a type of white blood cell that play a crucial...

Mohamed Abbas
June 20, 2023
Oceanography

Unveiling the Main Drivers of Surface Ocean: Solar Radiation and Wind

What is the surface ocean powered by? (2) winds, tides The surface ocean is powered by two main factors: 1. Solar Radiation: The surface of the ocean...

Mohamed Abbas
June 20, 2023
Oceanography

Uncovering the Powerhouses of the Deep Ocean: Thermal, Chemical, and Mechanical Energy Sources Supporting a Unique Ecosystem

What is the deep ocean powered by? (1) Density differences The deep ocean is powered by a variety of sources such as thermal energy, chemical energy, and...

Mohamed Abbas
June 20, 2023
Oceanography

Understanding the Three Factors that Determine Density: Mass, Volume, and Temperature/Pressure

What determines density? (3) temperature, salt, pressure Density is determined by three factors: 1. Mass: The amount of matter in an object determines its mass. The greater...

Mohamed Abbas
June 20, 2023
Oceanography

Exploring the Vital Role of Thermohaline Circulation in Global Climate and Ocean Currents

What is “thermohaline” circulation? deep-ocean circulation Thermohaline circulation refers to the ocean circulation that is driven by temperature (thermo) and salinity (haline) differences. It includes both surface...

Mohamed Abbas
June 20, 2023
Oceanography

Density-Driven Vertical Mixing: Importance for Ocean Circulation and Nutrient & Heat Mixing.

When two water masses meet, which one flows under the other? Denser flows under the less dense The water mass that flows under the other depends on...

Mohamed Abbas
June 20, 2023
Oceanography

The Role of Salinity and Temperature in Determining Water Density: Implications for Ocean Circulation.

Are the densest waters salty and cold? yes Yes, the densest waters tend to be salty and cold. This is because the density of seawater is determined...