Textbook Question
When a fruit fly embryo first begins to develop, a large cell is generated that contains over 8000 genetically identical nuclei. What is most likely responsible for this result?
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29. Fungi
Fungi
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
How are the cell walls of plants and fungi different?
A
Both plant and fungal cell walls are made of cellulose.
B
Both plant and fungal cell walls are made of chitin.
C
Plant cell walls are made of cellulose, while fungal cell walls are made of chitin.
D
Plant cell walls are made of chitin, while fungal cell walls are made of cellulose.
Verified step by step guidance1
Understand the basic structure and function of cell walls in both plants and fungi. Cell walls provide structural support and protection to the cells.
Recognize that plant cell walls are primarily composed of cellulose, a polysaccharide consisting of a linear chain of glucose molecules. Cellulose provides rigidity and strength to plant cells.
Identify that fungal cell walls are primarily composed of chitin, a long-chain polymer of N-acetylglucosamine, which is a derivative of glucose. Chitin provides structural support and protection to fungal cells.
Differentiate between cellulose and chitin: Cellulose is a carbohydrate polymer found in plants, while chitin is a carbohydrate polymer found in fungi and some animals, such as the exoskeletons of arthropods.
Conclude that the key difference between plant and fungal cell walls is the primary component: cellulose in plants and chitin in fungi, which reflects their adaptation to different environmental and structural needs.
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