Answer:
Prions are abnormally shaped proteins that cause spongiform encephalopathies. (Ans C)
Explanation:
Prions : Prions are proteinaceous infectious particle or misfolded proteins with the ability to transmit their misfolded shape into normal shape protein. They are also responsible for some neurodegenerative diseases in mammals. They can affect both animals as well as humans.
Prion disease occurs when normal prion protein (present on the surface of many cells) becomes clump (abnormal) in the brain. This accumulation of abnormal protein in the brain can cause disease.
Spongiform encephalopathies also called prion disease. Spongiform encephalopathies affect the nervous system and brain of animals & humans. It is caused by a degeneration of brain tissues giving it a spongy appearance.
The biological species concept<span> is the most widely accepted</span>species concept<span>. It defines </span>species<span> in terms of interbreeding. For instance, Ernst Mayr defined a </span>species<span> as follows: "</span>species<span> are groups of interbreeding natural populations that are reproductively isolated from other such groups."</span>
Answer:
A plant cell is larger than an animal cell. The shape of a plant cell is a fixed rectangular shape, whereas an animal cell is mostly round and irregular in shape. Plant cells store energy in the form of scratch while animal cells store energy in the form of complex carbohydrates and glycogen.
The answer is carbon dioxide.
Answer:
She has probably developed a high tolerance to alcohol.
Explanation:
Tolerance occurs when someone repeatedly uses alcohol or other drugs like Lisa has. Over time, the body no longer reacts to the substance the same way it did the first time the person consumed it this may be why she is not showing any sings of frankness. With increased tolerance, the brain may not feel euphoria or dizziness.