What is the role of ribosomes?

Practice Question

Answer Choices:

A. Make proteins ✓ Correct Answer

B. Waste removal

C. Transport

D. Storage

Correct Answer:

Make proteins

Rationale:

🔬Ribosomes are molecular machines found either free in the cytoplasm or attached to the rough ER, and they are essential for protein synthesis.

🧬They read mRNA sequences and assemble amino acids into polypeptide chains, forming functional proteins.

🚫They are not involved in waste removal, transport, or storage, which are functions attributed to lysosomes, vesicles, and vacuoles respectively.

⚙️Their primary and exclusive role is the translation of genetic code into proteins.

📌Core Message

Ribosomes are solely responsible for building proteins, translating genetic information into functional cellular products.

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This question is from SCIENCE 2023 Exam-1 which contains 49 questions.

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Which of the following are examples of homeostatic mechanisms?

Answer Choices:

A. Increasing heart rate when blood pressure is low, Consuming excess calories to gain weight

B. Lifting weights to increase muscle mass

C. Shivering when the body temperature falls

D. Shivering when the body temperature falls, Secreting insulin to decrease blood sugar concentration, increasing heart rate when blood pressure is low

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