Answer: polyunsaturated fatty acid residues
Explanation: Unsaturated fatty acids have a lower melting point so arctic animals have these fatty acids in their membranes.
There's a bunch of examples.
For example, hairlines. A widow's peak is a dominant trait over a straigh hairline.
Or dominant hand type. Right hands are dominated over left hands.
Or hair types. Curly hair dominates straight hair.
If you google it, you'll get a lot more examples.
Addiction is a condition of compulsive drug seeking and use, even with negative consequences is a <u>true</u> statement.
Explanation:
Addiction to drugs is a chronic and a relapsing condition or disorder which results in compulsory drug seeking behavior and its continuous use despite knowing about or having negative consequences it can cause to the brain and the body systems.
This is both a medical and a mental illness due to repeatedly misusing drugs or other substances and a severe form of a spectrum of substance abuse disorders.
Addiction is classified under substance use disorder and is categorized as mild, moderate or severe according to the symptoms. The symptoms or the negative consequences of addiction are generally grouped as impaired control, risky use, social impairment, pharmacological criteria for drug tolerance or withdrawal.