Answer:
The correct answer is C. Normal host cellular prion proteins (PrPC) are converted into scrapie proteins (PrPSc).
Explanation:
Prions are the infectious proteins that cause neurodegenerative diseases in both animals and humans. In humans, it causes various diseases like Creutzfeldt-Jakob disease, kuru. Collectively these diseases are called spongiform encephalopathies.
Humans contain normal cellular prion protein denoted as(PrPC) and the prions are abnormal form of this protein i.e., PrPSc where Sc indicates scrapie. This abnormal protein is misfolded form of normal prion protein.
When this misfolded prion protein enters the host body it converts all the normal cellular prion proteins in scrapie protein causing a fatal disease. In this disease, holes are created in the brain tissue and tissue degeneration gives brain appearance like sponges. Therefore the correct answer is C.
The term "chemotherapy" ("chemo") is frequently used to describe treatments for cancer.
<h3>
What is chemotherapy?</h3>
cancer medications function in the same way. The medications used in conventional or traditional chemotherapy are cytotoxic, which means they can destroy tumor cells.
Knowing how traditional or standard chemotherapy functions and what to anticipate can often help you get ready for treatment and make wise healthcare decisions if your treatment plan calls for it.
Drugs are used in chemotherapy to kill cancer cells. This particular cancer treatment prevents cancer cells from proliferating, dividing, and creating new cells.
Therefore, The term "chemotherapy" ("chemo") is frequently used to describe treatments for cancer.
To learn more about chemotherapy, refer to the link:
brainly.com/question/12147641
#SPJ2
Answer:
epiglottis
Explanation:
I think it is the Epiglottis that is not a component of the bronchial tree
Answer:
Explanation:
Membrane, in biology, the thin layer that forms the outer boundary of a living cell or of an internal cell compartment. The outer boundary is the plasma membrane, and the compartments enclosed by internal membranes are called organelles. Biological membranes have three primary functions: (1) they keep toxic substances out of the cell; (2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the cell and the outside environment; and (3) they separate vital but incompatible metabolic processes conducted within organelles.
