Researcher A studies the protein interactions involving the polypeptides that comprise hemoglobin, while Researcher
B studies protein interactions between a protein kinase and its target protein. Researcher A will therefore focus on ____,
and researcher B will focus on ____.
a. protein localization; protein sequence
b. protein sequence; protein localization
c. permanent protein interactions; transient protein interactions
d. transient protein interactions; permanent protein interactions
e. protein regulation; transcriptional regulation
ANSWER: c
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Most individuals in academia are basic researchers, funded through research grants from agencies or foundations. Based on your knowledge of applied research, an industrial company would most likely employ individuals
A. who develop alternative fuel sources. B. who identify a new species of beetle in the Amazon rainforest. C. looking at novel proteins involved in the development of a neurological disease. D. who document fossils found in a specific archeological expedition.
Research has shown that cytokinin levels fluctuate seasonally in temperate plants. What season would you expect to see the lowest levels of cytokinins and why would this be adaptive?
A. Spring, because lower levels of cytokinin allow auxin to promote rapid growth in stem height. This will allow the plant to compete effectively for sunlight. B. Summer, because lower levels of cytokinin would slow growth down and delay leaf aging. This will allow the plant to maximize the production of starch and increase it's sugar reserves. This will help ensure the plant's survival through Autumn and Winter. C. Autumn, because lower levels of cytokinin at this time of year will induce the production of ethylene. This will result in maturation of fruit and ensure effective seed dispersal before Winter. D. Winter, because lower levels of cytokinin will place buds into a dormant state. This will protect the underlying tissues from freezing until Spring. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about cytokinin levels and seasonality? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
A seedling plant has a section of the stem tip that contains large numbers of cells undergoing mitosis for the purpose of
A. sexual reproduction of gametes, to produce new offspring. B. fertilization of the gametes in order to produce new offspring. C. growth in height of the plant. D. asexual reproduction of gametes, to produce new offspring. E. replication of the DNA in the stem, where new flowers will go through meiosis.
The thermal niche of a desert organism __________________.
a. will differ from that of a polar organism. b. will include very low temperatures. c. will include the critical thermal maximum of a polar organism. d. is unlikely to include high temperatures. e. is unlikely to limit its distribution on Earth. f. I don't know the answer