Classify the phrases. Does each phrase describe a kinase, a phosphatase, neither, or both? Kinases add phosphoryl groups to proteins catalyze reactions that are the reverse of dephosphorylation reactions may use ATP as a phosphoryl group donor PKA (protein kinase A) is an example Phosphatases catalyze dephosphorylation reactions turn off signaling pathways triggered by kinases Neither in eukaryotes, transfer phosphoryl groups to acidic amino acids Both regulate the activity of other proteins

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
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Question 19 // Last tutor gave me these answers but they are all wrong. I need the correct order please. Thanks!

The task is to classify the phrases based on whether they describe a kinase, a phosphatase, neither, or both. Below is the categorization as shown in the image:

**Kinases:**
1. Add phosphoryl groups to proteins.
2. Catalyze reactions that are the reverse of dephosphorylation reactions.
3. May use ATP as a phosphoryl group donor.
4. PKA (protein kinase A) is an example.

**Phosphatases:**
1. Catalyze dephosphorylation reactions.
2. Turn off signaling pathways triggered by kinases.

**Neither:**
1. In eukaryotes, transfer phosphoryl groups to acidic amino acids.

**Both:**
1. Regulate the activity of other proteins.

The exercise aims to test comprehension of the roles and characteristics of kinases and phosphatases. The "Answer Bank" below the classification contains the phrases categorized into four sections, but no options are inputted in it, highlighting that the current classification is incorrect.
Transcribed Image Text:The task is to classify the phrases based on whether they describe a kinase, a phosphatase, neither, or both. Below is the categorization as shown in the image: **Kinases:** 1. Add phosphoryl groups to proteins. 2. Catalyze reactions that are the reverse of dephosphorylation reactions. 3. May use ATP as a phosphoryl group donor. 4. PKA (protein kinase A) is an example. **Phosphatases:** 1. Catalyze dephosphorylation reactions. 2. Turn off signaling pathways triggered by kinases. **Neither:** 1. In eukaryotes, transfer phosphoryl groups to acidic amino acids. **Both:** 1. Regulate the activity of other proteins. The exercise aims to test comprehension of the roles and characteristics of kinases and phosphatases. The "Answer Bank" below the classification contains the phrases categorized into four sections, but no options are inputted in it, highlighting that the current classification is incorrect.
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