Answer:Technology y
Explanation: Technology is the study and transformation of techniques, tools, and machines created by humans.
Answer:
Pseudopodia. (Ans A)
Explanation:
Pseudopodia are defined as the projections of the cytoplasm of the eukaryotic cell membrane, and unicellular protists. They are synthesized by the microtubules, and filament structures. They are divided into different shapes, and types such as: Lobopodia, Filopodia, Reticulopodia, and Axopodia.
Axopodia pseudopods are supported by microtubules array, they are covered by the cytoplasm, and mostly used for catch and ingestion of food. Genus Heliozoa, and Radiolaria of protists are example of Axopodia pseudopods.
Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere. The plates are around 100 km (62 mi) thick and consist of two principal types of material: oceanic crust (also called sima from silicon and magnesium) and continental crust (sial from silicon and aluminium)
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Answer:
B) Viruses are killing some of his B cells and becoming incorporated into the genomes of others.
Explanation:
Epstein-Barr virus causes infectious mononucleosis by following mechanism.
1) Epstein-Barr virus attaches to and infects epithelium of the throat where it replicates and causes pharyngitis.
2) Virions enter the lymphoid vessels and are carried to the lymph nodes. Some virions escape the lymphnode trap and are carried to the bloodstream.
3) Virions attach specifically to B lymphocytes and infect them, producing either latent infection or productive infection.
4)The infected B lymphocytes actively replicate and differentiate into cells producing random immunoglobulins.
5)T cells respond to infection and destroy the lymphocytes replicating EBV vitus.
6) Latently infected B lymphocytes become immortal. They are not attacked by T cells.
C, H, O, N, P, and Ca
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus and Calcium
