Signal Transduction MCQ (Molecular Biology MCQ-02)


Signal Transduction MCQ

Molecular Biology MCQ on Cell Signaling
(Molecular Biology MCQ-02)

(Biology / Life Sciences MCQ: Multiple Choice Questions in Molecular Biology)

(Sample/Model/Practice Questions for CSIR JRF/NET Life Science Examination, ICMR JRF Exam, DBT BET JRF Exam, GATE BT and XL Exam, ICAR JRF NE Exam, PG Entrance Exam, JAM Exam, GS Biology Exam and Medical Entrance Exam)

Welcome to Molecular Biology MCQ-02

This question set on Molecular Biology: Cell Signaling (Signal Transduction) consists of 15 questions in MCQ format. Please select the correct answer and at the end test, you have to click on 'SUBMIT' button to see your Score and the Correct Answers. 

1.

Which of the following is a component of MAP kinase signal transduction pathway?

2.

Which kinase activity is associated with the Phytochrome Photoreceptors responsible for Red /Far Red response in plants?

3.

Fas protein involved in cell-mediated immune response ____.

4.

Which of the following is a negative regulator of trp operon?

5.

In a signal transduction where the trimetric G protein with α, β and γ is involved. Which subunit of the protein will activate the adenylate cyclase enzyme?

6.

Among closely laying cells, the signals are communicated through:

7.

Receptor-mediated endocytosis is carried out by specific proteins complex of the membrane. They are termed as:

8.

Leukemia Inhibitory Factor (LIF) has been utilized in animal stem cell culture for:

9.

A membrane-bound enzyme that catalyzes the formation of cAMP from ATP is:

10.

Which of the following statement is true for the gap junctions?

11.

The endocytic vesicles are usually coated with:

12.

Which of the following protein is involved in apoptosis?

13.

Calmodulin is a calcium-binding messenger protein of eukaryotic cells. A single calmodulin protein at a time can bind _______ Ca2+ ions.

14.

The mechanism of action of diphtheria toxin is by ___________.

15.

Three classes of genes A, B and C regulates the development of flower in Arabidopsis. If a loss‐of-function mutation occurs in the B‐type genes, what will be the composition of the floral whorls?


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Biology / Life Sciences MCQ: Molecular Biology MCQ02 on Cell Signaling (Signal Transduction): (Multiple Choice Questions / Model Questions / Sample Questions in Molecular Biology with detailed answer key, explanations and references for preparing CSIR JRF NET Life Science Examination and also for other competitive examinations in Life Science / Biological Science such as ICMR JRF Entrance Exam, DBT BET JRF Exam, GATE (XL) Life Science Exam, GATE (BT) Biotechnology Exam, ICAR JRF Exam, University PG Entrance Exam, JAM Exam, GS Biology Exam, GRE, Medical Entrance Examination etc. This set of practice questions will help to build your confidence in Molecular Biology to face the real examination.

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