Would you expect a xerophilic organism to be halotolerant? Why or why not?
What will be an ideal response?
Answer: Yes, xerophiles are typically halotolerant. For example, the xerophilic halotolerant fungus Xeromyces bisporus inhabits cereal, candy, and dried fruit, all of which are very dry environments that also contain salt. With all else being equal, a decrease in solvent (such as water) translates to an increase in solute (salt) concentration, and therefore a microbe capable of tolerating a low water activity likely can also tolerate higher salt concentrations.
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Identify a sequence that is most likely to be recognized by a restriction enzyme.
A. CGATGC B. CCCTTT C. TGGCCA D. TCATCA 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 restriction enzymes? 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?
Adaptive immunity is also referred to as ____ immunity
a. acquired b. innate c. secondary
d. latent e. hidden
Which process occurs in both mitosis and meiosis?
A. crossing-over B. replication of DNA C. pairing of homologous chromosomes D. division of two cells into four haploid cells
Which feature do bryophytes and flowering plants have in common?
1.flagellated sperm that must swim through water to reach eggs 2.a complex vascular system 3.both asexual and sexual reproduction 4.some cells contain lignin as a strengthener