The biome with the greatest range of daily temperature extremes is the:
a. tundra
b. taiga
c. tropical rain forest
d. desert
e. grassland
d
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The central nervous system is made up of the
A. brain and spinal cord. B. spinal cord and spinal nerves. C. sympathetic and parasympathetic system. D. brain and endocrine organs.
Arrange the following stages of oogenesis in sequential order
1) secondary oocyte 2) oogonium 3) ovum 4) primary oocyte a. 4 ? 1 ? 2 ? 3 b. 4 ? 3 ? 2 ? 1 c. 3 ? 2 ? 4 ? 1 d. 2 ? 3 ? 4 ? 1 e. 2 ? 4 ? 1 ? 3
If the ureter was blocked due to the development of a tumor preventing the normal flow of urine, which region of the kidney would be impacted first?
A. distal convoluted tubule B. collecting duct C. proximal convoluted tubule D. glomerular capsule E. renal cortex
All of the these are proteins except:
A) hemoglobin. B) an enzyme. C) an antibody. D) insulin. E) cholesterol.