Multiple Choice
Which of the following terms describes an organism who obtains energy from sunlight?
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1. Overview of Cell Biology
Properties of the Cell
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Which of the following best describes the primary function of the cytoplasm in a cell?
A
It stores genetic information and controls cell activities.
B
It suspends and supports the organelles and is the site of many metabolic reactions.
C
It provides a rigid structure to maintain the cell's shape.
D
It synthesizes proteins for export out of the cell.
Verified step by step guidance1
Understand the role of the cytoplasm in a cell: The cytoplasm is the jelly-like substance that fills the interior of the cell, excluding the nucleus. It is composed of water, salts, and various organic molecules.
Recall that the cytoplasm suspends and supports organelles: Organelles such as the mitochondria, endoplasmic reticulum, and Golgi apparatus are embedded within the cytoplasm, allowing them to remain in place and function effectively.
Recognize that the cytoplasm is the site of many metabolic reactions: Key cellular processes, such as glycolysis (the breakdown of glucose to produce energy), occur in the cytoplasm.
Eliminate incorrect options: The cytoplasm does not store genetic information (this is the role of the nucleus), provide a rigid structure (this is the role of the cell wall in plant cells or the cytoskeleton), or synthesize proteins for export (this is the role of the rough endoplasmic reticulum and ribosomes).
Conclude that the correct description of the cytoplasm's primary function is: 'It suspends and supports the organelles and is the site of many metabolic reactions.'
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