In the root apical meristem, __________ supports division of undifferentiated meristem cells, and cytokinin signals
the cells to differentiate. Fill in the blank(s) with the appropriate word(s).
ANSWER: auxin
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Answer the following statement true (T) or false (F)
Sounds
a. are waves of compressed air. b. are detected by mechanoreceptors. c. may be measured, with respect to their loudness, in decibels. d. that vary by one decibel can be differentiated by the human ear. e. include all of these.
All of the following are ways in which blood functions to maintain homeostasis in the human body EXCEPT which one?
A) moving carbon dioxide away from cells following completion of aerobic metabolism B) conducting action potentials that originate in the nervous system to help with cell-cell communication C) transporting amino acids and other nutrients derived from digestion to all tissues in the body D) transporting hormones and other chemical messengers throughout the body from their point of secretion to their targets E) regulating the pH of body fluids
Salmonellosis is acquired by inhalation.
Answer the following statement true (T) or false (F)