Under which of the following taxonomic levels does E. coli fall?
a. species
b. order
c. class
d. kingdom
a. species
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The great deserts and associated arid areas of the world mostly lie along the western sides of the continents at about
A. 0° north and south latitude. B. 15° north and south latitude. C. 30° north and south latitude. D. 60° north and south latitude. E. 90° north and south latitude.
You grow two trays of Arabidopsis plants under identical conditions, except that one tray of plants is exposed to a gentle breeze for several hours each day
Compared to plants grown in calm conditions what would you expect to see in the wind-exposed plants? I. changes in the expression of many genes II. taller flower stalks III. shorter flower stalks IV. more flexible cell walls V. no changes in 2nd messengers VI. increases in 2nd messengers and/or phosphorylated proteins VII. increased levels of Pfr VIII. stiffer cell walls. A) I, III, VI, VIII B) II, IV, V, VII C) III, IV, VII D) VI, VII, VIII E) wind has no effect on plant development
Bile is produced in the ____ and stored in the ____
a. pancreas; liver. b. gallbladder; duodenum. c. liver; gallbladder. d. liver; liver. e. gallbladder; gallbladder
The lymphoid organ in which B lymphocytes are produced is the
A. spleen. B. lymph nodes. C. red bone marrow. D. thymus gland. E. All of these produce B lymphocytes.