Biotechnology Self-assessment test

The surface of every facet of a 3D printable object is represented by a polygon mesh that must conform to a set of rules. Mark the wrong one!

a. The ‘vertex to vertex’ rule

b. The ‘left-hand rule’

c. The ‘pointing outwards’ rule

d. The ‘all-positive rule’

Activated sludge flocs are ...

A. formed before the start-up of the degradation plant and never change.

B. made only of bacteria.

C. added continuously during the wastewater treatment.

D. dynamic entities whose structure changes continuously.

Biosensor chip technology can provide quick and easy access to information regarding DNA damage from cancer-producing compounds.

TRUE

FALSE

Computer-assisted design (CAD) images are most commonly used for 3D printing.

TRUE

FALSE

The most common technologies for 3D printing are as follows:

a. Liquid or semisolid ink-based technologies and Powder based 3D printing

b. Solid or semiliquid ink-based technologies and Powder based 3D printing

c. Liquid or semisolid ink-based technologies and Metal based 3D printing

d. Solid or semiliquid ink-based technologies and Metal based 3D printing

Biochips appeared as an innovative microtechnology platform for the analysis of bio-molecule in the last century.

TRUE

FALSE

The enzyme-based biosensors are still not commercialized.

TRUE

FALSE

The 3D printing is also known as “additive manufacturing”, since the 3D printing process of an object is additive.

TRUE

FALSE

Anhydrous bioethanol...

a. is obtained via a purification process after distillation of the fermentation broth.

b. is obtained from distillation of the fermentation broth.

c. is obtained by centrifugation and filtration of the fermentation broth.

d. is obtained directly from the fermentation by Saccharomyces cerevisiae

3D printing may directly cause reduction of jobs in the traditional manufacturing sector.

TRUE

FALSE