Classify the phrases. Does each phrase describe a kinase, a phosphatase, neither, or both? Kinases regulate the activity of other proteins add phosphoryl groups to proteins Phosphatases catalyze reactions that are the reverse of dephosphorylation reactions catalyze dephosphorylation reactions Answer Bank may use ATP as a phosphoryl group donor Neither PKA (protein kinase A) is an example in eukaryotes, transfer phosphoryl groups to acidic amino acids turn off signaling pathways triggered by kinases Both
Classify the phrases. Does each phrase describe a kinase, a phosphatase, neither, or both? Kinases regulate the activity of other proteins add phosphoryl groups to proteins Phosphatases catalyze reactions that are the reverse of dephosphorylation reactions catalyze dephosphorylation reactions Answer Bank may use ATP as a phosphoryl group donor Neither PKA (protein kinase A) is an example in eukaryotes, transfer phosphoryl groups to acidic amino acids turn off signaling pathways triggered by kinases Both
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Question
Q19
Transcribed Image Text:### Classification Exercise: Kinases vs. Phosphatases
#### Instructions
Classify the phrases into the appropriate category: kinase, phosphatase, neither, or both.
#### Categories
- **Kinases**
- **Phosphatases**
- **Neither**
- **Both**
#### Answer Bank
- Regulate the activity of other proteins
- May use ATP as a phosphoryl group donor
- Catalyze reactions that are the reverse of dephosphorylation reactions
- PKA (protein kinase A) is an example
- Add phosphoryl groups to proteins
- In eukaryotes, transfer phosphoryl groups to acidic amino acids
- Catalyze dephosphorylation reactions
- Turn off signaling pathways triggered by kinases
Use this answer bank to classify each phrase into one of the categories above, assessing their roles and characteristics in cellular processes.
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