In the regulation of molecular switches, protein kinases and guanine nucleotide exchange factors (GEFs) always turn proteins

Question:

In the regulation of molecular switches, protein kinases and guanine nucleotide exchange factors (GEFs) always turn proteins on, whereas protein phosphatases and GTPase-activating proteins (GAPs) always turn proteins off.

Is the statement true? Explain why or why not.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Molecular Biology Of The Cell

ISBN: 9780815344322

6th Edition

Authors: Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter

See More Books

Question Posted: Jun 19, 2020 02:59 AM

See More Questions

Continual addition and removal of phosphates by protein kinases and protein phosphatases is wasteful of energysince their combined action consumes ATP but it is a necessary consequence of effective...
Eukaryotic initiation factor eIF2B is a guanine nucleotide exchange factor. Explain why eIF2B would enhance the activity of eIF2.
Transcriptional regulation often involves a regulatory protein that binds to a segment of DNA and a small effector molecule that binds to the regulatory protein. Do the following terms apply to a...
Put all of the below items in the correct format. Don't be concerned about numbers. Just get the lines and headings all in the right places. Beginning Cash Balance CASH FLOWS FROM FINANCING...
For a binomial distribution with p = .15, find the smallest number n such that 1 success is more probable than no successes in n trials.
What is capacity? Give an example.
Let the continuous random variable $X$ denote the current measured in a thin copper wire in milliamperes. Assume that the range of $X$ is $[4.9,5.1] \mathrm{mA}$, and assume that the...
Refer to the RadioShack Corporation, consolidated financial statements in Appendix B at the end of this book. Focus on the year ended December 31, 2010. 1. What is RadioShack Corporations main source...
1 . a . What are the key elements of a Successful Business Model. Explain with examples? ( 6 marks ) 1 . b . Free offerings are rapidly spreading beyond online markets to physical world. How should...
One hears the word research being mentioned by several groups such as research organizations, college and university professors, doctoral students, graduate assistants working for faculty, graduate...
All second messengers are water-soluble and diffuse freely through the cytosol. Is the statement true? Explain why or why not.
Most intracellular signaling pathways provide numerous opportunities for amplifying the responses toextracellular signals. Is the statement true? Explain why or why not.
Lonergan Company occasionally uses its accounts receivable to obtain immediate cash. At the end of June 2021, the company had accounts receivable of $780,000. Lonergan needs approximately $500,000 to...
Which of the following is an example of a deferral (or prepaid) adjusting entry? a. Recording the usage of office supplies during the period. b. Recording salaries expense for employees not yet paid....
Applying the allowance method (percent-of-sales) to account for uncollectibles During its first year of operations, Fall Wine Tour earned net credit sales of $311,000. Industry experience suggests...
Consider the following transactions for TLC Company. Journalize all transactions for TLC Company. Round all amounts to the nearest dollar. 2024 Dec. 6 31 31 2025 Mar. 6 Jun. 30 Oct. 2 Dec. 1 1 30...
Applying the allowance method (percent-of-receivables) to account for uncollectibles The Accounts Receivable balance for Lake, Inc. at December 31, 2023, was $20,000. During 2024, Lake earned revenue...
Assume that Global Cleaning Service performed cleaning services for a department store on account for $180. How would this transaction affect Global Cleaning Services accounting equation? a. Increase...
Tascona Supply Company pays $4,800 for an insurance policy that covers four years. At the end of the first year, the balance of its Prepaid Insurance account contains two elements. What are the two...
The Ferris wheel in the figure has a radius of 68 feet. The clearance between the wheel and the ground is 14 feet. The rectangular coordinate system shown has its origin on the ground directly below...
Blood clotting is a crucial function for mammalian survival. How do the multi-adhesive properties of fibronectin lead to the recruitment of platelets to blood clots?
How do changes in molecular connections between the extracellular matrix (ECM) and cytoskeleton give rise to Duchenne muscular dystrophy?
How do changes in molecular connections between the extracellular matrix (ECM) and cytoskeleton give rise to Duchenne muscular dystrophy?
In the Queries section of the Navigation Pane, right-click Stone Mountain Patients to select it and display the shortcut menu. 3. Click Copy on the shortcut menu. 4. Right-click the empty area near...
What is 'audit risk', and discuss/analyze the components of audit risk. b. List the four (4) things involved in the initial audit planning and which should be done early in the audit.
K Internal control is a plan of organization and a system of procedures, implemented by company. A. external auditors; management B. external auditors; board of directors OC. internal auditors;...

In the regulation of molecular switches, protein kinases and guanine nucleotide exchange factors (GEFs) always turn proteins

Question:

Step by Step Answer:

Answer is False Once Phosphorylation happens at different ...View the full answer

Molecular Biology Of The Cell

Students also viewed these Life Sciences questions