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Which of the following are examples of cofactors? Select all that apply. Fe²+ Carbon FADH₂ Zn²+ NADH

Which of the following are examples of cofactors? Select all that apply. Fe²+ Carbon FADH₂ Zn²+ NADH

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Question:** Which of the following are examples of cofactors? Select all that apply. **Options:** - [ ] Fe²⁺ - [ ] Carbon - [ ] FADH₂ - [ ] **Zn²⁺** - [ ] NADH **Explanation:** Cofactors are non-protein chemical compounds that are required for the biological activity of some enzymes. They can be metal ions or organic molecules. In the options provided, Fe²⁺ and Zn²⁺ are both metal ions that frequently act as cofactors in various enzymatic reactions. FADH₂ and NADH are not typically considered cofactors but rather coenzymes that function in redox reactions. Carbon, as an element, does not serve directly as a cofactor.
Transcribed Image Text:**Question:** Which of the following are examples of cofactors? Select all that apply. **Options:** - [ ] Fe²⁺ - [ ] Carbon - [ ] FADH₂ - [ ] **Zn²⁺** - [ ] NADH **Explanation:** Cofactors are non-protein chemical compounds that are required for the biological activity of some enzymes. They can be metal ions or organic molecules. In the options provided, Fe²⁺ and Zn²⁺ are both metal ions that frequently act as cofactors in various enzymatic reactions. FADH₂ and NADH are not typically considered cofactors but rather coenzymes that function in redox reactions. Carbon, as an element, does not serve directly as a cofactor.
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