Why is the pasta you buy from the grocery store shelf considered a non-perishable food?
A. It has a low nutritional content.
B. It was sterilized during preparation.
C. The low moisture content prevents microbial growth.
D. Various preservative chemicals are added.
E. Microbes present in the pasta inhibit the growth of harmful microbes.
Answer: C
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Mitochondrial gene defects mainly cause myopathies (conditions affecting ____________________),
and encephalomyopathies (conditions also affecting ____________________). Fill in the blank(s) with the appropriate word(s).
The carcinogenic compound ____, which damages kidneys and the nervous system, is produced by some strains of Aspergillus flavus.
Fill in the blank(s) with the appropriate word(s).
Which of the following can be completely degraded to carbon dioxide by microorganisms?
A) petroleum B) uranium C) chlorinated organics D) petroleum and chlorinated organics
This is a tool that enables researchers to study the structure and function of cells.
A. magnifying glass B. microscope C. tunneling assay D. digital recording E. differential centrifugation