Which mineral is especially important for women to incorporate into their diet if they are menstruating?
A. sodium
B. aluminum
C. magnesium
D. iron
Answer: D
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Many female birds establish a pair bond with a single male with whom they build a nest and rear young. Many of those females, however, also copulate with other males outside the pair bond; the young they raise are fathered by more than one male
If we want to understand the role of genes and the environment in shaping this behavior, we want to understand its: A. causation. B. development. C. adaptive function. D. evolutionary history. E. genetic basis.
Alexander Fleming kept finding mold contamination that was killing his bacterial cultures. This observation eventually lead to the development of the antibiotic penicillin. Why would a fungus produce a compound that is selectively toxic to bacteria?
A. Fungi eat bacteria. B. Fungi are killed by bacterial toxins. C. Fungi compete with bacteria for resources. D. Killing bacteria is an accident. 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 fungi and bacteria? What other information is related to the question? Choose Answer Given what you now know, what information 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?
Secondary succession occurs
a. after a fire. b. on a new volcanic island. c. on bare rock. d. on land exposed as a glacier retreats. e. none of these
All of the following occur as glucose moves through glycolysis and the Krebs cycle except:
A) NAD+ is converted to NADH. B) CO2 is released. C) acetyl CoA enters the Krebs cycle. D) actely CoA is removed to form pyruvate.