The mechanism that causes a vine's tendrils to grow around an object, such as a wire fenceline, is called ____.
A. thigmotropism
B. phototropism
C. gravitropism
D. vernalization
E. photoperiodism
Answer: A
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Which of the following represents a monophyletic group?
A. mosses, liverworts, and hornworts B. ferns and club mosses C. ferns, whisk ferns, and horsetails D. liverworts and hornworts E. Charophytes and mosses 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 phylogeny? 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?
Which of the following scientists demonstrated
for the first time that molecules of life could have come from nonliving entities (gases, water, and spark discharge)?
a. Crick and Orgel b. Wallace c. Miller and Urey d. Chargaff e. Cuvier and Lyell
A chromosome that has been broken and rejoined in
a reversed sequence has undergone a. inversion. b. deletion. c. duplication. d. translocation. e. aneuploidy.
The formation of proteins has been altered in a patients body by high temperature leading to the protein being broken down immediately after synthesis. The best description of this is
A. proteins are engaged in an anabolic reaction. B. proteins are in a cotranslational process. C. post-translation is occurring. D. retranslation of proteins. E. proteins are in a catabolic process.