Which of the following is NOT an example of an adhesion factor?
A. Lipoteichoic acid
B. Glycocalyx
C. Mucin
D. Fimbriae
E. All of the above are examples of adhesions
Ans: C. Mucin
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Which of the following produces a greenish pigment that may appear in infected wounds?
A. E. coli B. S. aureus C. S. pyogenes D. P. aeruginosa
Describe the cancer stem cell hypothesis. How might this explain the inability of traditional cancer treatments such as radiation and chemotherapy to completely eradicate tumors?
What will be an ideal response?
Which of the following is a passive mechanism used to move materials into and out of of the cell?
A. phagocytosis B. facilitated diffusion C. active transport D. feedback inhibition E. exocytosis
In a hydrolysis reaction, _____, and in this process water is _____.
A. a polymer is broken up into its constituent monomers ... consumed B. a monomer is broken up into its constituent polymers ... produced C. monomers are assembled to produce a polymer ... consumed D. monomers are assembled to produce a polymer ... produced E. a polymer is broken up into its constituent monomers ... produced