The proposed explanation for a phenomenon is BEST described as a(n)
a) observation
b) hypothesis
c) testable prediction
d) experiment
e) theory
Answer: b) hypothesis
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Each nephron of the kidney consists of a long tubule and associated small blood vessels. Blood cells and plasma proteins are too large to enter with the glomerular filtrate. What is the correct path for the filtrate to follow through the nephron in the production of urine?
A. Bowman's capsule ? distal convoluted tubule ? loop of Henle ? proximal convoluted tubule ? collecting duct B. Bowman's capsule ? proximal convoluted tubule ? loop of Henle ? distal convoluted tubule ? collecting duct C. Bowman's capsule ? loop of Henle ? proximal convoluted tubule ? distal convoluted tubule ? collecting duct D. Bowman's capsule ? collecting duct ? proximal convoluted tubule ? loop of Henle ? distal convoluted tubule E. collecting duct ? proximal convoluted tubule ? loop of Henle ? distal convoluted tubule? Bowman's capsule
Which layer of the stomach wall is modified into deep folds?
A) serosa B) mucosa C) submucosa D) muscularis
Variations in rates of growth for different parts of the body are referred to as:
a. allometric growth patterns. b. adaptive growth patterns. c. allopatric growth patterns. d. allopolyploidy. e. preadaptations
When drugs such as penicillin are transported in the blood, they are attached to globulins, a type of specialized hemoglobin molecule
Indicate whether the statement is true or false