After consuming an antacid like Rolaids, ________.
A. the stomach would absorb water
B. the pH of the stomach fluid would increase
C. the pH of the stomach fluid would decrease
D. HCl production would decrease
B. the pH of the stomach fluid would increase
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In the southeastern U.S., two species of wild lettuce (Lactuca) do not usually form hybrids, because they bloom at different seasons. The means of isolation appears to be
A. postzygotic and behavioral. B. prezygotic and temporal. C. prezygotic and geographical. D. prezygotic and mechanical. E. postzygotic and ecological. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about reproductive isolation? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The stomach____
a. is a non-elastic sac b. secretes enzymes that begin to break down fats c. secretes enzymes that begin to break down proteins d. is surrounded by three layers of skeletal muscle
e. secretes enzymes that begin mechanical digestionWhat is a primary focus of landscape ecology?
A) individual behavior B) spatial heterogeneity C) species interactions D) population growth
A yeast cell divides in culture about every
a. 20 minutes. b. 2 hours. c. 12 hours. d. 24 hours.