University of Central Florida (UCF) BSC1005 Biological Principles Practice Exam 2

Question: 1 / 400

What is the main function of ribosomes within a cell?

To generate ATP

To synthesize proteins

Ribosomes play a crucial role in the cell by synthesizing proteins, which are essential for numerous cellular functions. They are the cellular machinery that translates messenger RNA (mRNA) sequences into polypeptide chains, ultimately folding into functional proteins. This process, known as translation, is fundamental in the expression of genes and the production of enzymes, structural components, and signaling molecules that sustain life.

Ribosomes can be found free-floating in the cytoplasm or attached to the endoplasmic reticulum, contributing to the synthesis of proteins destined for different locations within the cell or outside of it. The ability to synthesize proteins enables cells to respond to their environment, grow, and carry out specialized functions. Thus, the main function of ribosomes is accurately characterized as synthesizing proteins, making this the correct choice in the context of cellular biology.

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To store calcium ions

To modify lipids

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