The transforming principle described by Griffith in his work with Streptococcus pneumoniae is ____
a. a polysaccharide capsule
b. a phospholipid
c. protein
d. RNA
e. DNA
ANSWER: e
Biology & Microbiology
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Which motor protein would you find in a flagellum?
A. myosin B. dynein C. kinesin D. Answers a and b are both correct.
Biology & Microbiology
For gas exchange to occur quickly and efficiently, which type of epithelium must be present on all
respiratory surfaces? a. pseudostratified columnar epithelium b. simple squamous epithelium c. ciliated columnar epithelium d. stratified squamous epithelium e. ciliated squamous epithelium
Biology & Microbiology
Nitrogen-fixing bacteria receive _______ from the plant in a mutually beneficial relationship.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Vitamin D is a hormone produced in part by exposure to sunlight.
Answer the following statement true (T) or false (F)
Biology & Microbiology