Which of the following organelles are most likely to be able to divide and reproduce much like a cell does?
A. mitochondria only
B. chloroplasts only
C. peroxisomes only
D. both mitochondria and chloroplasts
E. mitochondria, chloroplasts, and lysosomes
D. both mitochondria and chloroplasts
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A new antibiotic has been developed. It acts as a noncompetitive inhibitor. How will this antibiotic affect delta G for the enzyme-catalyzed reaction?
A. Delta G will increase B. Delta G will decrease C. Delta G will be unaffected 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 enzymes and free energy? What other information is related to the question? Choose Answer Do you have all necessary information to analyze how the noncompetitive inhibitor might influence free energy? 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?
In comparing the chromosomes of humans, chimpanzees, gorillas, and orangutans which type of genomic evolution has occured with chromosome 3 in the orangutan compared to the other species?
A. inversion. B. duplication. C. splitting. D. both inversion and duplication. E. splitting of the gene and duplication of the entire chromosome.
A limiting factor for viral infection is
A. internal metabolic temperature of the host cell. B. nutrition of the host cell. C. stage of cell cycle of the host cell. D. presence of specific receptor molecules on the host cell.
One adaptation that enables an animal to live successfully on dry land is
A) moist skin used for gas exchange. B) development in a shelled egg. C) a two-chambered heart. D) external fertilization. E) gills.