SCIN 130 week 3 quiz. Questions With Answers.

Question 1 of 31
3.0 Points
Which structure is responsible making ATP, the cell’s main energy-carrying molecule?

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A. chloroplasts

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B. mitochondria

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C. ribosomes

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D. peroxisomes



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Question 2 of 31
3.0 Points
The unified cell theory includes all of the following EXCEPT?

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A. All new cells arise from existing cells

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, B. Cells eat each other to reproduce

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C. All living things are composed of one or more cells

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D. That the cell is the basic unit of life



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Question 3 of 31
3.0 Points
Which is typically the most prominent organelle in a eukaryotic cell?

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A. lysosome

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B. mitochondria

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C. peroxisome

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, D. nucleus



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Question 4 of 31
3.0 Points
Cells that communicate with each other by direct contact use what?

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A. intercellular junctions

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B. central vacuole

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C. endoplasmic reticulum

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D. plasma membrane



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Question 5 of 31
3.0 Points
What is it called when a substance moves from an area of high concentration to an area of low
concentration until the concentration is equal across the space?