Cell Signaling and Signal Transduction MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Cell Signaling and Signal Transduction, a fundamental topic in the field of Cell Biology. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Cell Signaling and Signal Transduction MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Cell Signaling and Signal Transduction mcq questions that explore various aspects of Cell Signaling and Signal Transduction problems. Each MCQ is crafted to challenge your understanding of Cell Signaling and Signal Transduction principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Cell Biology tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Cell Signaling and Signal Transduction MCQs are your pathway to success in mastering this essential Cell Biology topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Cell Signaling and Signal Transduction. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Cell Signaling and Signal Transduction knowledge to the test? Let's get started with our carefully curated MCQs!

Cell Signaling and Signal Transduction MCQs | Page 3 of 10

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Q21.
G-protein coupled receptors contain ________ transmembrane alpha helices.

a.

2

b.

5

c.

7

d.

9

Discuss
Answer: (c).7
Q22.
G-protein coupled receptors are referred to as seven-transmembrane receptors.
Discuss
Answer: (a).True
Q23.
The G-protein coupled receptors have their _____________________ outside the cell.
Discuss
Answer: (a).amino terminus
Q24.
On the cytoplasmic site of GCPRs, the G-proteins bind to ___________________
Discuss
Answer: (d).third loop
Q25.
Which of the following is a stimulus for rhodopsin?
Discuss
Answer: (a).light
Q26.
The inactive conformation of a G-protein coupled receptor is stabilized by ____________________
Discuss
Answer: (c).non-covalent interactions
Q27.
The G-proteins bind only to _________________
Discuss
Answer: (b).guanine
Q28.
Desensitization is the process of blocking receptors from turning on ______________
Discuss
Answer: (a).G-proteins
Q29.
Arrestins compete with ________________ for binding with G-protein coupled receptors.
Discuss
Answer: (d).G-proteins
Q30.
Retinitis pigmentosa is an inherited disorder caused due to mutation in the gene that encodes for __________________
Discuss
Answer: (c).Rhodopsin