Which of the following substances is secreted by an endocrine gland?
a. Tears
b. Breast milk
c. Wax
d. Saliva
e. Hormones
e
Biology & Microbiology
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An instantaneous automatic response to a stimulus is a(n)
A. fixed action pattern. B. taxis. C. imprinting. D. learned behavior. E. reflex.
Biology & Microbiology
A(n) ________ involves drug testing on humans
Fill in the blank(s) with correct word
Biology & Microbiology
Which of the following mechanisms is most likely related to retinoblastoma?
A. Persistent activation of the Ras gene B. Increased production of epidermal growth factor C. Decreased susceptibility to apoptosis D. Impaired functioning of mismatch repair genes E. Inactivation of the Rb gene
Biology & Microbiology
Which is a geological process that reduces atmospheric carbon dioxide?
a) burning of forests b) rainfall c) growth of algae d) formation of fossil fuels
Biology & Microbiology