An endotherm typically will have a karger nasal cavity than an ectotherm of equivalent mass.
a. true
b. false
a. true
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Which of the following statements would not be consistent with the theory for the endosymbiotic origin of mitochondria and chloroplasts?
A. Mitochondria and chloroplasts have their own DNA enclosed within a nuclear envelope. B. The composition of the outer membrane of chloroplasts and mitochondria is similar to the plasma membrane of eukaryotic cells. C. The composition of the inner membrane of chloroplasts and mitochondria is similar to the plasma membrane of prokaryotic cells. D. Mitochondria and chloroplasts have some enzymes unique to them. E. Genes encoded within mitochondria and chloroplasts indicate a closer relationship to prokaryotes than do most nuclear genes. 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 the origin of mitochondria and chloroplasts? How does it relate to the question? 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?
Most of an organism's DNA is carried by its __________.
A. mitochondria B. chromosomes C. nucleoli D. endoplasmic reticulum
A circulatory system in which the heart pumps blood to tissues throughout the body cavity is
A. a closed circulatory system. B. a gastrovascular cavity. C. an incomplete circulatory system. D. a complete circulatory system. E. an open circulatory system.
Which grouping of elements is found in carbohydrates?
A. N - S - O B. Ca - H - O C. C - H - P D. C - H - O E. H - O - Cl