General Mechanobiology Quiz

What field of research studies the role of forces on biological systems?

• Biophysics

• Mechanobiology

• Bioengineering

• Biomechanics

What is the minimum range of forces that can deform a cell membrane?

• Newton (N)

• Nanonewton (nN)

• Piconewton (pN)

• Femtonewton (fN)

What is stiffness?

• The extent to which an object resists deformation

• The level of stress at which a material breaks.

• The resistance of a material to plastic deformation.

What is the average stiffness of a fibroblast?

• 1 MPa

• 1 kPa

• 100 Pa

• 1 Pa

Indicate how a cell can mechanically sense its surroundings (multiple answers possible)

• Via cell membrane tension

• Via GPCRs (G protein coupled receptors)

• Via integrin receptors

• Via ion channels

What is cellular mechanotransduction?

• The conversion of a mRNA sequence in a chain of aminoacidic

• The artificial insertion of DNA material in cells by mechanical stress

• The conversion of a chemical signal in gene expression

• The conversion of a mechanical stimulus into electrochemical activity