The Work of Tyndall and Cohn

question 3

Multiple Choice

The work of Tyndall and Cohn

• A)supported the idea of spontaneous generation.
• B)was used to explain why others investigating spontaneous generation had obtained results that were opposite of those obtained by Pasteur.
• C)showed that microbes caused disease.
• D)allowed scientists to see microorganisms.

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Definitions:

Starch

A carbohydrate consisting of a large number of glucose units joined by glycosidic bonds, primarily found in plants and used as an energy store.

Carboxypeptidase

An enzyme that breaks down proteins by hydrolyzing the peptide bonds at the carboxyl end of the protein.

Microvilli

Minute projections from the surface of some cells, increasing surface area and facilitating absorption, such as in the intestines.

Goblet Cells

Epithelial cells found in the respiratory and intestinal tracts that secrete mucus to lubricate and protect the linings.