Typically pathogenic Neisseria gonorrheae
A. secretes transferrin.
B. destroys IgA.
C. destroys IgM.
D. is very immunogenic.
B.
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Organisms that are damaged by the normal atmospheric levels of oxygen (20%) but require oxygen at levels of 2-10% for growth are called
A. anoxygenic. B. microaerophiles. C. aerotolerant. D. facultative anaerobes.
The ____ is to flagellated protozoans as the
____ is to prokaryotes.
a. cytoskeleton; flagellum b. endoplasmic reticulum; ribosome c. fimbriae; Golgi body d. pellicle; cell wall e. cytoskeleton; plastid
When a cell begins to enlarge after cell division, the
primary cell wall a. is rather elastic and can be stretched. b. allows water uptake. c. becomes thicker due to the addition of polysaccharides. d. is rather elastic and can be stretched and allows water uptake. e. is rather elastic and can be stretched and becomes thicker due to the addition of polysaccharides.
A human embryo has webbed fingers. Why are human babies not usually born with webbed fingers?
What will be an ideal response?