Which of the following best illustrates "feedback" in development?
Correct answer: C. As tissue X develops, it secretes something that induces tissue Y to develop.
- A. Tissue X secretes RNA which changes the development of tissue Y.
- B. As tissue X develops, it secretes enzymes that inhibit the development of tissue Y.
- C. As tissue X develops, it secretes something that induces tissue Y to develop.
- D. As tissue X develops, it secretes something that slows down the growth of tissue Y.
Explanation
As tissue X develops it secretes something that induces tissue Y to develop indicating positive feedback mechanism.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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