The figure shown above is of what kind of tissue?
a. blood
b. adipose
c. bone
d. cartilage
e. dense connective
Answer: c
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Structures that have no apparent function but had a function in ancestral species are
A. the fossil record. B. vestigial structures. C. development. D. the molecular record. E. homology.
One function of antibodies is to ________
A) deactivate defensive proteins
B) stimulate the production of antigens
C) phagocytose invading bacteria
D) clump invader cells
Virulent viruses multiply within infected cells and eventually
A. cause an alternation of generations in the host cell, releasing new viruses. B. cause the transformation of the host cell, releasing new viruses. C. cause lysis of the host cell, releasing new viruses. D. cause the transduction of the host cell, releasing new viruses. E. cause a transfer of material from the host cell, releasing new viruses.
Most antibiotics act by disrupting the ribosomes in bacterial protein synthesis. Why do antibiotics not disrupt the human patient’s protein synthesis as well?
a. The DNA in bacteria is highly specialized so the drugs only work on their DNA. b. Prokaryotes and eukaryotes go through different stages except elongation. c. Prokaryotic and eukaryotic ribosomes are very different from each other. d. Antibiotics do disrupt human protein synthesis, which is why we only take very low dosages.