Molecular Biophysics MCQs with Answers

Welcome to the Molecular Biophysics MCQs with Answers. In this post, we have shared Molecular Biophysics Online Test for different competitive exams. Find practice Molecular Biophysics Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Molecular Biophysics.

Molecular Biophysics Online Quiz

By presenting 3 options to choose from, Molecular Biophysics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Molecular Biophysics Questions and Answers and click over the correct answer.

• Test Name: Molecular Biophysics MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

0

---

Molecular Biophysics

Please fill out the form before starting Quiz.

1 / 40

Which molecule acts as the energy currency of the cell?

RNA

DNA

ATP

2 / 40

Which method is used to measure protein-ligand interactions?

Surface plasmon resonance

SDS-PAGE

PCR

3 / 40

What is fluorescence resonance energy transfer (FRET) used for?

Measure enzyme activity

Sequence DNA

Study molecular interactions

4 / 40

Which spectroscopy technique is used to determine protein secondary structure?

Mass spectrometry

Circular dichroism

UV-Vis spectroscopy

5 / 40

What is the main function of a lysosome?

Replicate DNA

Synthesize proteins

Degrade cellular waste

6 / 40

What type of RNA carries the genetic code from DNA to the ribosome?

tRNA

rRNA

mRNA

7 / 40

What is an alpha helix?

A type of tertiary structure

A type of quaternary structure

A type of secondary structure

8 / 40

What is the purpose of a Western blot?

Amplify DNA

Detect specific proteins

Separate RNA

9 / 40

What technique is used to amplify specific DNA sequences?

PCR

ELISA

Flow cytometry

10 / 40

What does a Michaelis-Menten plot describe?

DNA melting

Protein folding

Enzyme kinetics

11 / 40

Which technique measures the mass-to-charge ratio of ions?

Mass spectrometry

Chromatography

Western blotting

12 / 40

What is the typical structure of a phospholipid bilayer?

Hydrophobic heads and hydrophilic tails

Hydrophilic heads and hydrophobic tails

All hydrophilic

13 / 40

What is the effect of phosphorylation on proteins?

Modifies activity and function

Degrades the protein

Denatures the protein

14 / 40

Which structure forms the backbone of a DNA molecule?

Fatty acid chains

Sugar-phosphate backbone

Peptide bonds

15 / 40

What is an example of a quaternary protein structure?

Beta turn

Hemoglobin

Alpha helix

16 / 40

What is the main function of a mitochondrion?

Produce ATP

Store calcium

Synthesize proteins

17 / 40

What is a common use of cryo-electron microscopy?

Measure DNA concentration

Separate proteins

Determine structures of large complexes

18 / 40

What is the primary function of DNA polymerase?

Transcribe RNA

Repair DNA

Replicate DNA

19 / 40

Which type of molecule is an enzyme?

Carbohydrate

Protein

Lipid

20 / 40

What is the function of a ribosome?

Synthesize proteins

Replicate DNA

Degrade mRNA

21 / 40

What is the Gibbs free energy change (ΔG) indicative of in a biochemical reaction?

Speed of the reaction

Spontaneity of the reaction

Temperature dependence

22 / 40

What technique is commonly used to determine the 3D structure of proteins?

Northern blotting

X-ray crystallography

Gel electrophoresis

23 / 40

What is a ligand?

Molecule that binds to a receptor

Enzyme that catalyzes reactions

Component of cell membrane

24 / 40

What is the main purpose of molecular dynamics simulations?

Sequence DNA

Study movement of molecules

Amplify RNA

25 / 40

What is an example of a secondary structure in proteins?

Beta sheet

Primary sequence

Disulfide bond

26 / 40

What type of bond links amino acids in a protein?

Peptide bond

Hydrogen bond

Ionic bond

27 / 40

What is the primary force driving protein folding?

Ionic bonding

Covalent bonding

Hydrophobic interactions

28 / 40

What is the significance of van der Waals forces in biomolecular interactions?

Transfer electrons

Stabilize protein structures

Form strong covalent bonds

29 / 40

What is the purpose of a molecular chaperone?

Transcribe DNA

Assist in protein folding

Degrade misfolded proteins

30 / 40

What is the function of an ion channel in a cell membrane?

Anchor proteins

Signal transduction

Allow ions to pass through

31 / 40

What is the main role of tRNA in protein synthesis?

Replicate DNA

Catalyze peptide bonds

Transfer amino acids

32 / 40

What is the role of hydrogen bonds in DNA structure?

Stabilize the double helix

Catalyze reactions

Signal transduction

33 / 40

Which technique is used to separate proteins based on size?

Mass spectrometry

NMR spectroscopy

SDS-PAGE

34 / 40

Which technique uses antibodies to detect specific proteins?

ELISA

Gel electrophoresis

PCR

35 / 40

What is the role of NADH in cellular respiration?

Hormone

Electron carrier

Structural support

36 / 40

What does NMR spectroscopy measure in biomolecules?

Atomic-level structure

Protein-ligand interactions

Enzyme activity

37 / 40

What is the role of hemoglobin?

Replicate DNA

Catalyze reactions

Transport oxygen

38 / 40

What is the basic unit of chromatin?

Lysosome

Nucleosome

Ribosome

39 / 40

What is the effect of a competitive inhibitor on an enzyme?

Denatures the enzyme

Binds to allosteric site

Competes with substrate for active site

40 / 40

What is the purpose of molecular docking in drug design?

Predict binding affinity

Determine molecular weight

Sequence DNA

0%

Restart quiz

Download Certificate of Quiz Molecular Biophysics

On the end of Quiz, you can download the certificate of the quiz if you got more than 70% marks. Add a certificate to your job application or social profile (like LinkedIn) and get more job offers.

Download Molecular Biophysics MCQs with Answers Free PDF

You can also download 100 Molecular Biophysics Questions with Answers free PDF from the link provided below. To Download file in PDF click on the arrow sign at the top right corner.

If you are interested to enhance your knowledge regarding  English, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.