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Answer:
Schizoid Personality Disorder
Explanation:
People who suffer from Schizoid Personality Disorder prefer their own company to the company of others. They have very few friends and are often described as loners. This comes across as disinterest in relationships, including romantic relationships and those with family. Sufferers of this disorder struggle to express their emotions.
In this example, Fred prefers not to socialise with others and avoids other people, thus indicating that he has Schizoid Personality Disorder.
Answer:
takes substances captured from the external environment (air and carbon sources) and converts them into energy for building more cells and tissues and for carrying out life-sustaining activities. It also generates waste products and water.
Explanation:
Answer:
They usually have one or more helical regions spanning the membrane bilayer
Explanation:
Transmembrane proteins are type of integral proteins meaning that they are permanently attached to biological membrane. Transmembrane proteins span through the plasma membrane so most of their structure is hydrophobic.
The major role of these proteins is transport role: they act as a channels that undergo conformational change in order to move a substance through the membrane.
Classified by their structure they can be put into two types: alpha helical and beta barrels.