When a foraging honeybee discovers pollen or nectar, it returns to its colony and performs a dance involving ____
signals in the complete darkness of the hive.
a. visual and acoustical
b. visual and chemical
c. tactile, acoustical, and chemical
d. tactile, acoustical, chemical, and electrical
e. visual, tactile, acoustical, chemical, and electrical
ANSWER: c
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All of the following are reproductive structures found in some fungi except
A. ascus. B. basidium. C. sporangiophore. D. mycorrhiza. E. conidia.
Integrins are unusual in that they:a
are steroids. b. are specific transmembrane proteins. c. respond to information received from inside and outside the cell. d. stimulate both the Ras pathway as well as the IP3 pathway. e. are found only in Arabidopsis thaliana.
Helper T cells release ________, molecules that stimulate the activity of other T cells and macrophages; these chemicals stimulate inflammation as well
Fill in the blank(s) with correct word
All amino acids contain what functional group(s)?
A) aldehyde B) amino C) ester D) carboxyl E) both amino and carboxyl