Sources for a thickening, emulsifying agent found
in ice cream, salad dressing, beer, cough syrup, and
cosmetics are
a. diatoms.
b. ferns.
c. brown algae.
d. green algae.
e. none of these.
Answer: c
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In the life cycle of a flowering plant, a single megaspore undergoes cytokinesis producing a female gametophyte that
consists of ____ cells.
a. two b. three c. four d. seven e. eight
Before biotechnology, human proteins used in treatment of diseases were
A. not available. B. synthesized chemically. C. substituted for by similar animal proteins. D. harvested from blood or cadavers. E. substituted for by similar animal proteins and harvested from blood or cadavers only
Mechanoreceptors specifically designed to monitor muscle length are termed
A) thermoreceptors. B) muscle spindles. C) dendrites. D) muscle fibers. E) Pacinian corpuscles.
How is a lymph capillary like a blood capillary?
What will be an ideal response?