Which of the following molecules demonstrate dual solubility characteristics?
a. sterols only
b. proteins only
c. phospholipids only
d. sterols and phospholipids
e. sterols, phospholipids, and proteins
E
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Koplik's spots are small red lesions with a white center that form in the mouth and are associated with ________.
A. mumps B. chickenpox C. measles D. flavivirus infection
Experiments on selective adhesion demonstrated
a. ectoderm cells have positive affinity for mesoderm cells but negative affinity for endoderm cells d. ectoderm cells have positive affinity for both endoderm and mesoderm cells b. ectoderm cells have negative affinity for mesoderm cells but positive affinity for endoderm cells e. endoderm cells have positive affinity for both ectoderm and mesoderm cells c. endoderm cells have positive affinity for mesoderm cells but negative affinity for ectoderm cells
Why is AIDS such a deadly disease?
A. Because it is caused by a virus. B. Because they have not isolated the virus yet that causes AIDS. C. Because the virus cripples the immune system. D. The body does not recognize the virus as foreign. E. It is a sexually transmitted virus.
Which portal of exit will a bloodborne pathogen likely use?
A) GI mucosa B) ocular C) respiratory mucosa D) skin E) parenteral