Why do cancer researchers study molecular events associated with mitosis?
What will be an ideal response?
Although mitosis is a basic process related to genetic and general biological studies, it is also a significant event in the cell cycle. The cell cycle is regulated by a variety of gene products, which, when altered by mutation, may lead to cancer.
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Refer to the paragraph on Redi's experiments. What hypothesis was being tested in the initial experiment with open versus sealed jars?
A) Spontaneous generation is more likely during the long days of summer. B) The type of meat used affects the likelihood of spontaneous generation. C) Maggots do not arise spontaneously, but from eggs laid by adult flies. D) Spontaneous generation can occur only if meat is exposed to air.
Abscisic acid synthesized in the root travels to different parts of the shoot where it regulates transpirational water loss. What is the most likely way that ABA travels from the root to the various locations within the shoot?
A. vessels and tracheids B. sieve tubes C. between cell walls D. from cell to cell through the plasmodesmata 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 transportation of materials within a plant? 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?
Hemophilia is not seen in individuals heterozygous for the hemophilia gene. Thus, the disease is ________.
a. recessive b. codominant c. dominant d. X-linked
Why have more groups within the archaeplastids not developed complex multicellularity?
What will be an ideal response?