Science | Senioritis

Mohamed Abbas
June 21, 2023
Immunology

The Role of T Cytotoxic Cells in Immunity and Cancer Defense

T cytoxic cells- TCR- CD8 binds MHC I–> signal transduction 1. What are T cytotoxic cells? T cytotoxic cells, also known as CD8+ T cells, are a...

Mohamed Abbas
June 21, 2023
Immunology

Antigen-Presenting Cells (APCs) and Their Crucial Role in Immune Responses

antigen presenting cells MHC II are only found on Antigen-presenting cells (APCs) are a type of immune cell that is responsible for presenting foreign substances, known as...

Mohamed Abbas
June 21, 2023
Immunology

Immune Cells: Dendritic and Phagocytes, and B Cells

dendritic cells, phagocytes, B cells antigen presenting cells Dendritic cells are a type of immune cells that play a key role in the initiation of the immune...

Mohamed Abbas
June 21, 2023
Immunology

Roles of Nucleated Cells and Platelets in Blood Physiology: A Comprehensive Guide

all nucleated cells and platelets MHC I are found on Nucleated cells and platelets are components of blood cells that play important roles in various physiological processes....

Mohamed Abbas
June 21, 2023
Immunology

Hematopoietic Stem Cells: Types, Functions and Medical Applications

Hematopoietic Cells (HSCs) – begin in yolk sac –> bone marrow- involved in maturation phase –> differentiate into other cells Hematopoietic stem cells (HSCs) are a type...

Mohamed Abbas
June 21, 2023
Immunology

Roles of B Cells, T Cells, and Progenitor Cells in the Immune System

B cells, T cells and progenitor cells HSC cells differentiate into B cells, T cells, and progenitor cells are all types of immune cells that play critical...

Mohamed Abbas
June 21, 2023
Genetics

The Hardy-Weinberg Equilibrium: Fundamentals of Population Genetics

hardy-weinberg equilibrium (def.) a model that describes populations that are not evolving The Hardy-Weinberg equilibrium is a fundamental principle in population genetics that describes the relationship between...

Mohamed Abbas
June 21, 2023
Genetics

5 Key Factors Governing Population Equilibrium: Mutations, Gene Flow, Natural Selection, Population Size, and Mating Patterns

what are the five conditions needed for a population to stay in equilibrium? 1) very large population: no genetic drift 2) no emigration/immigration: no gene flow3) no...