Common mushrooms and puffballs belong to the phylum of fungi called:
a. Basidiomycota
b. Ascomycota
c. Zygomycota
d. Deuteromycota
Answer: a. Basidiomycota
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DNA cloning techniques have made it possible to locate ____________________, map them, isolate them, sequence them, and transfer them between species
Fill in the blank(s) with correct word
Your friend examines an ivy vine growing on the side of a campus building and says, “Look – some of the branches on this plant have a different morphology. The leaf shapes and patterning are different, and there are flowers on some branches but not others. There must have been a mutation!” You respond,
A. “I think you’re right. Maybe there was a mutation in the LEAFY (LFY) gene, and the loss of LFY has promoted flowering and had pleiotropic effects on leaf morphology.” B. “No, those branches have just undergone phase change. Now they’re in the adult form, and have become competent to respond to flowering signals.” C. “I think you’re right. Maybe the embryonic flower (emf) gene is being overexpressed, and that’s causing flowers to form.” D. “No, those morphological changes are just evidence that this plant’s environment has changed during its lifetime.” 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 flowers? 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?
Since the ID50 for cutaneous anthrax is 10-50 endospores, and the ID50 for inhalation (pulmonary) anthrax is 10,000 to 20,000 endospores, this means that:
a. both forms of anthrax are easily acquired b. cutaneous is easier to acquire than inhalation c. inhalation is easier to acquire than cutaneous d. neither form is easily acquired e. not enough information is given to answer this question
If left untreated, Lyme disease can lead to
a. arthritis. b. heart damage. c. neurological problems, like palsy and weakness. d. all of the above.