Which of the following female organisms do
NOT contain XX chromosomes?
a. humans
b. fruit flies
c. cows
d. butterflies
e. cats
D
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Human activities have disrupted the carbon cycle by
A) burning carbon stored as fossil fuels or biomass, thus increasing the amount of carbon dioxide in the atmosphere. B) decreasing the primary productivity of the oceans, resulting in increased atmospheric carbon dioxide. C) burning methane hydrates to produce electricity. D) acidifying the ocean, resulting in the release of large amounts of dissolved carbon dioxide into the atmosphere.
In human oogenesis, how many chromosomes does a secondary oocyte carry?
A) 22 B) 23 C) 44 D) 46 E) 92
Why are carrots said to be good for you?
A. That is just an old wive's tale. B. Beta-carotene, the orange pigment in carrots, is a precursor to Vitamin A and retinal, the cofactor in photopigments. C. Beta-carotene, the orange pigment in carrots, is necessary to form lens proteins. D. Carrots have large amounts of glutamate, a neurotransmitter that activates sensory neurons. 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 carrots? 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?
What tissue in vascular plants would be used to move water and dissolved minerals from roots to the stems and leaves?
a. sclerenchyma b. phloem c. collenchyma d. parenchyma e. xylem