To determine the validity of 0% sodium chloride (NaCl) broth, which two organisms should be used for quality control purposes?
a. V. alginolyticus and Vibrio cincinnatiensis
b. P. damsela and Vibrio harveyi
c. Vibrio parahaemolyticus and V. cholerae
d. Vibrio vulnificus and P. damsela
C
V. parahaemolyticus and V. cholerae are negative and positive, respectively, for growth in 0% NaCl. All other listed species do not have the ability to grow in 0% NaCl.
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Answer the following statements true (T) or false (F)
1. Maternal effect genes are inherited via the mitochondria. 2. Epistasis often involves genes of an enzymatic pathway. 3. The actions of Xist result in an organism that is a phenotypic mosaic. 4. In biparental inheritance, paternal and maternal gametes provide chloroplasts to the zygote. 5. Genomic imprinting can result in offspring with identical genotypes that have different phenotypes.
Even if detected early, PKU cannot be treated to prevent the development of intellectual disability
a. True b. False Indicate whether the statement is true or false
Many flowers growing in a cluster along a stem are known as
A. an inflorescence. B. a perfect flower. C. a bouquet. D. a complete flower. E. a pistil.
What biome borders on boreal forest?
a. savanna c. tundra b. taiga d. chaparral