3.0 Points
Which structure is responsible making ATP, the cell’s main energy-carrying molecule?
A. chloroplasts
B. mitochondria
C. ribosomes
D. peroxisomes
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Question 2 of 31
3.0 Points
The unified cell theory includes all of the following EXCEPT?
A. All new cells arise from existing cells
, B. Cells eat each other to reproduce
C. All living things are composed of one or more cells
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?
A. lysosome
B. mitochondria
C. peroxisome
, D. nucleus
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Question 4 of 31
3.0 Points
Cells that communicate with each other by direct contact use what?
A. intercellular junctions
B. central vacuole
C. endoplasmic reticulum
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?