An experimental setup is shown below. Which hypothesis would most likely be tested using this setup?
A) Light is needed for the process of reproduction.
B) Glucose is not synthesized by plants in the dark.
C) Protein synthesis takes place in leaves.
D) Plants need fertilizers for proper growth.
Ans: B) Glucose is not synthesized by plants in the dark.
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A heterogeneous environment is typically a ______ factor against the fitness of the population
A. Negative B. Positive C. Neutral
Laboratory strains of E. coli are desirable hosts because
A. it is easy to grow. B. its genetics is well known. C. it is especially able to express foreign genes. D. it has known phenotypic characteristics. E. All of the choices are correct.
Malaria is an infectious disease transmitted to humans from a parasite that infects mosquitoes that feed on humans
World health officials have concerns that climate change may impact the transmission of malaria into tropical highland areas in Africa. If these concerns turn out to be valid, they would be evidence for which of the following? A) Global climate change affects the distribution of species. B) Global climate change will negatively impact the transmission of malaria only in Africa. C) Global climate change affects freshwater and marine biomes. D) Global climate change will enable scientists to more easily control the spread of malaria.
All of the following are responses to allergen detection generated by mast cells EXCEPT
A. inflamma¬tion in the airways. B. increased mucus secre¬tion. C. sneezing. D. hives. E. fever.