An unusually dangerous strain of flu that infects humans was reported from China in the spring of 2013. The strain is called H7N9. In this coding scheme, H and N refer to ________ and ________ proteins
Fill in the blank(s) with correct word
hemagglutinin; neuraminidase
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Resident staphylococci in the ________ seldom cause disease
A) eyes B) upper respiratory tract C) lungs D) kidneys
The process in which DNA is released by lysis of one bacterium, leading to a change in phenotype of that another bacterium is called
A. Transduction B. Transformation C. Conjugation D. Transposition
Answer the following questions true (T) or false (F)
1. Microbial contamination always results in infection. 2. Influenza is an example of a chronic disease. 3. Biofilms provide an alternative means for bacteria to attach to surfaces within the body.
Which of the following does not describe the pedigree analysis of an autosomal dominant disorder?
a. heterozygotes are affected b. two affected parents will always have affected children c. affected children usually have an affected parent d. two unaffected parents will not have affected children