Which of the following is not true of mitotic cell division?
A. It occurs in eukaryotes, but not in
prokaryotes.
B. It is a highly regulated process.
C. It is a form of asexual reproduction.
D. It is a process that is very important in the
life cycle of sexually reproducing organisms.
E. It does not require DNA replication.
E
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Prokaryotic cells are smaller than eukaryotic cells. What is a plausible explanation?
A. Prokaryotic cell walls limit their cell growth. B. Prokaryotes lack the genetic material needed for protein synthesis. C. Eukaryotes have compartmentalization, which allows for specialization. D. Prokaryotes have more diverse energy sources. E. Eukaryotes are immobile allowing them to grow larger. 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 know about the structure of cells? 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?
Your patient has pneumonia. Since there are so many microorganisms causing pneumonia, what might be the best test to do first for identification of the agent?
A. A skin test B. An antibody test C. A Gram stain of a saliva specimen D. A culture from a lung aspirate
All of the following characteristics are necessary for a structure to be classified as a primitive cell except
A. a boundary separating the cell from its watery surroundings. B. DNA. C. an ability to obtain energy from its surroundings. D. macromolecules.
How can we explain the exquisite complexity of some complex traits such as the vertebrate eye?
a. Each intermediate step toward the evolution of complex traits was itself adaptive. b. Intermediate stages of complex traits were functional and selected for in the past, but were se-lected for a function other than that observed today. c. Both A and B are true. d. Neither is true.