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19 Apr 2019
True or false: Signaling molecules that arise extracellularly function by binding to either cell-surface or intracellular receptors.
Please provide an explanation with your answer.
True or false: Signaling molecules that arise extracellularly function by binding to either cell-surface or intracellular receptors.
Please provide an explanation with your answer.
yournotesbuddyLv10
24 Mar 2023
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14 Mar 2023
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14 Mar 2023
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vietchanghgLv10
14 Mar 2023
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Related textbook solutions
Related questions
1. What types of biological macromolecules are most cell walls and extracellular matrices composed of? (Choose ALL correct answers)
| [] | proteins |
| [] | nucleic acids |
| [] | lipids |
| [] | carbohydrates |
2. What is a "second messenger"?
| a. | a protein that phosphorylates another substrate |
| b. | a molecule that is produced or released intracellularly as a result of receptor activation |
| c. | a signaling molecule that is released extracellularly |
| d. | GTP |
3. How can the activation of a protein kinase be important in signal transduction?
| a. | kinases bind to receptors to prevent the signal from binding the receptor |
| b. | kinases prevent signal amplification by ensuring other proteins are not active |
| c. | kinases can activate or deactivate existing proteins by phosphorylation |
| d. | kinases are secreted by the cell as a signaling molecule |
