Which statement about T effector cells is false? 1. Each produces a characteristic set of cytokines 2. They are stimulated to produce their cytokines by recognition of antigen/MHC 3. They require costimulation to produce their cytokines 4. They have the same antigen specificity they had before they differentiated into effector cells

Proteins

We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains thousands and thousands of proteins, each with specific functions. Some help in the formation of cellular membrane or walls, some help the cell to move, others act as messages or signals and flow seamlessly from one cell to another, carrying information.  

Protein Expression

The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry, and protein research laboratories.