Forests are considered carbon storage sinks because ________.
A. carbon dioxide is released into the atmosphere through the stoma of plants
B. plants are energy plantations
C. plants swap carbon dioxide for oxygen from the atmosphere
D. carbon dioxide is used in the Calvin cycle to make glucose, which is used to make wood and other tree molecules.
D. carbon dioxide is used in the Calvin cycle to make glucose, which is used to make wood and other tree molecules.
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Which of the following hormones requires iodine for its formation?
A. thyroxine B. thyroid-stimulating hormone C. parathyroid hormone D. calcitonin E. All of the answer options are correct.
The postindustrial age is defined by ____
a. high birth and death rates b. zero population growth c. dramatic slowing in population growth d. declining death rate e. declining birth rate
Gel electrophoresis separates DNA fragments according to their ________.
A. charge B. length C. base sequences D. polarity
Imagine you are working for the Florida Public Health Department and you have been assigned the task of preventing malaria from spreading throughout the southern Everglades. Which of the following scenarios would have a chance of success?
A. devising an insect repellant that would prevent the Anopheles mosquito from biting a human host B. developing a vaccination that would prevent the ability of the merozoites to reproduce within the host's bloodstream C. spraying the edges of the Everglades with a pesticide that will kill mosquitos D. All of these scenarios would have a chance of success in preventing malaria from spreading throughout the southern Everglades.