The preferred method for long term storage of bacteria is (freezing/refrigeration/lyophilization)
What will be an ideal response?
lyophilization
Bloom's Taxonomy: Comprehension
Section: Culturing Organisms
Learning Outcome: 6.13
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What are the membrane-bound sacs that live within a eukaryotic cell and perform specialized functions called?
a. proteins b. lipids c. atoms d. organelles
Respond to statements 130–134 with reference to the five
vitamins listed below. a. Vitamin B1 b. Vitamin B2 c. Niacin d. Vitamin B6 e. Vitamin B12 D 130. This vitamin is a coenzyme involved in amino acid metabolism and is obtained from meats. D 131. This vitamin functions in connective tissue formation. M 132. This vitamin functions in coenzyme action. M 133. A deficiency of this vitamin causes pellagra. D 134. A deficiency of this vitamin causes pernicious anemia and neurological disorders.
? Sheets can participate in the formation of amyloid fibers, which are insoluble protein aggregates. What drives the formation of amyloid fibers?
(a) denaturation of proteins containing ? sheets (b) extension of ? sheets into much longer ? strands (c) formation of biofilms by infectious bacteria (d) ?-sheet stabilization of abnormally folded proteins
_______________ is the term for differences among individuals in a population.
A. Migration B. Variation C. Gene Flow D. Macro evolution E. Microevulation