Answer:
Helper T cells (CD4+)
Explanation:
In the case of hummoral immunity, Helper T cells help in the differentiation of B cells into plasma B cells . The plasma B cells are then involved in the production of antibodies for specific kind of antigens. In the case of cell-mediated immunity helper T cells are involved in releasing cytokines and help differentiate the T cells into cytotoxic T cells. In the case of cell mediated immunity, the affected cell undergoes the process of lysis.
Answer:
FIFRA
Explanation:
The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) is a United States federal law that set up the basic U.S. system of pesticide regulation to protect applicators, consumers, and the environment.
The Homeland Security Presidential Directive 12 (HSPD-12) is the directive that was issued for "Policy for a Common Identification Standard for Federal Employees and Contractors".
The Committee on the Elimination of Racial Discrimination (CERD) is the body of independent experts that monitors implementation of the Convention on the Elimination of All Forms of Racial Discrimination by its State parties.
The Perishable Agricultural Commodities Act (PACA) was enacted at the request of the fruit and vegetable industry to promote fair trade in the industry. PACA ...
The cell membrane takes the role of separating the cytoplasm and the environment outside. It protects the cell from being damaged and holds the fluids organelles together.
The answer is oxygen
hope it helps!
Answer:
The chronological order of events ealiest to most recent (1-6) are given below:
Explanation:
1. Hans and Zacharias Janssen created the first microscope in the year 1590.
2. Robert Hooke was the first to use the word "cell." In the year 1665
3. Anton van Leeuwenhoek observed small organisms he called "animalcules." In the year 1674
4. Matthias Schleiden theorized that plants are made of cells in the year 1838
5. Theodor Schwann theorized that animals are made of cells in the year 1839
6. Rudolf Virchow theorized that cells come from other pre-existing cells in the year 1855