Proteins consist of one or more polypeptide chains. Each polypeptide chain consists of smaller sub-units or amino acids that are linked together. Amino acids serve as the building blocks of polypeptides, and polypeptides serve as the building blocks of proteins
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The answer is C as it is the only grammatically correct answer
Answer:
Assuming this isn't a multiple choice question, warning signs of someone needing the help of a mental health professional would be:
- Talk of sui/cide. This can include jokes, hints, talking about wanting to die, etc.
- Distancing themselves from loved ones and friends.
- Sleeping too little or too much.
- Giving away possessions.
- Mood swings.
- Talk of feelings of hopelessness, feeling like a burden, etc.
- A history of sui/cidal behavior.
- Losing interest in things they once enjoyed.
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Explanation:
