You are a botanist surveying a previously unstudied island. You discover a plant that has a small freeliving
gametophyte that requires external water for fertilization. After fertilization, a large sporophyte
with xylem and phloem develops. The gametophyte dies, and the free-living sporophyte eventually
releases spores from sporangia on the margins of its leaves. Into which group should you classify this
plant?
a. cycads
b. seedless vascular plants
c. gymnosperms
d. angiosperms
e. monocots
B
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I think the proactive stance is a better attitude to promote than after-the-fact worrying! When planning a long week of sunbathing on the beach, What type of DNA damage should sunbathers be aware of before hitting the beach?
A. photolyase-induced mutations B. decreased telomere length C. thymine dimers D. activation of uvr A, B, and C genes Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about light-induced DNA damage? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
How does a macrophage (immune cell) consume a bacteria?
A. phagocytosis B. endocytosis C. exocytosis D. receptor-mediated endocytosis E. pinocytosis
Compared to a solution of pH 9, a solution of pH 7
A. has more H+ ions. B. has a higher pH. C. is more basic. D. has no OH- ions.
Which of the following are made by biotechnology?
A. Insulin B. Bt toxin plants C. golden rice D. B & C only E. A, B, & C