Biochemical Engineering Module 1: Microbiology and Chemicals of Life Quiz
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Questions and Answers

What role do microorganisms play in the biosphere?

Microorganisms play a primary role in capturing energy from the sun and completing critical segments of the cycles of carbon, oxygen, nitrogen, and other essential elements for life.

What developments in the 1940s marked the birth of biochemical engineering?

Complementary developments in biochemistry, microbial genetics, and engineering ushered in the era of antibiotics.

How did biotechnology change in the 1940s?

Biotechnology began to change from empirical art to predictive, optimized design.

What has research in microbial genetics led to?

<p>Research in microbial genetics has led to fundamental understanding of many of the controls and catalysts involved in complex biochemical syntheses conducted by living cells.</p> Signup and view all the answers

What foundation has recombinant DNA technology been built upon?

<p>Recombinant DNA technology has been erected on the foundation of basic knowledge obtained from research in microbial genetics.</p> Signup and view all the answers

What is the focus of biochemical engineering?

<p>Biochemical engineering focuses on engineering processes using catalysts, feedstocks, and/or sorbents of biological origin.</p> Signup and view all the answers

What did Schleiden and Schwann propose in 1838?

<p>The cell theory</p> Signup and view all the answers

What is the diameter of most microorganisms?

<p>0.1 mm or less</p> Signup and view all the answers

What is the term used to indicate the union of biological and physical sciences?

<p>Biophysics</p> Signup and view all the answers

What is the main difference between prokaryotic and eukaryotic cells?

<p>Prokaryotes do not contain a membrane-enclosed nucleus</p> Signup and view all the answers

What is the size of a prokaryote relative to a man?

<p>Approximately equal to the size of a man relative to the earth</p> Signup and view all the answers

What did the cell theory propose?

<p>That all living systems are composed of cells and their products</p> Signup and view all the answers

What are the three main components found in even the simplest microorganisms?

<p>Chemical reactors, information and control systems, and mass-transfer operations</p> Signup and view all the answers

What did observations with the electron microscope reveal about cells?

<p>Two markedly different kinds of cells</p> Signup and view all the answers

What is the approximate diameter of most microorganisms?

<p>0.1 mm or less</p> Signup and view all the answers

What is the study of living organisms too small to be seen clearly by the naked eye?

<p>Microbiology</p> Signup and view all the answers

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