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Both bacteria and amoeba are unicellular organisms. Bacteria are considered to be prokaryotes, whereas amoebas are considered to be eukaryotes. How will you justify this reasoning?
Weegy: Amoeba have a nucleus, so it's a Eukaryotes. Bacteria do not have a nucleus so it's a prokaryotes. User: Animal cells are not capable of producing their own food because they lack which organelle? Weegy: The chloroplast is what produces food in Plant cells through photosynthesis. Animal cells do not contain chloroplasts. (More)
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Asked 6/25/2013 1:40:21 PM
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Kathy has been exercising vigorously for the past half hour. Her body feels sore and she feels pain in her limbs. What could be the reason for this?
Weegy: Kathy has been exercising vigorously for the past half hour. Her body feels sore and she feels pain in her limbs. [ The reason for this is because of the: Accumulation of lactic acid in the muscles of her limbs. ] (More)
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Asked 6/25/2013 1:56:08 PM
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Which of the following holds true for energy coupling? Select one of the options below as your answer: A. Energy is released in an exergonic reaction. B. Energy is transferred from an exergonic process to an endergonic one. C. Energy is consumed in an endergonic reaction.
Weegy: A.Energy is released in an exergonic reaction holds true for energy coupling [ ] User: If ATP is hydrolyzed in a test tube, which of the following effects indicates that the reaction is exergonic? Select one of the options below as your answer: A. Release of energy drops the temperature in the test tube. B. Release of energy has no effect on the surroundings. C. Release of energy heats the surrounding water in the test tube. Weegy: The answer is : C. Release of energy heats the surrounding water in the test tube. .............. User: Question: 26 of 75: A horticulturist plants ten saplings each of 20 different types of plants in his garden. He wants to observe the growth pattern in these samples so that he can later plant them in larger quantities in the community garden. What kind of data analysis would he be using by doing so? Select one of the options below as your answer: A. Descriptive data analysis B. Sequential data analysis C. Inferential data analysis Weegy: The answer is C. Inferential data analysis Source: User: Which of these is an example of quantitative data collection? Select one of the options below as your answer: A. Recording amounts of chemicals used in an experiment and any temperature changes observed B. Listing the materials, equipment, and processes required for an experiment C. Recording color changes and other visible effects observed during an experiment Weegy: Which of these is an example of quantitative data collection? The answer is C. Recording color changes and other visible effects observed during an experiment User: The average speed of a greyhound dog increases gradually in succeeding generations after only the fastest of a brood are allowed to interbreed. What is this variation an example of? Select one of the options below as your answer: A. Genetic drift B. Stabilizing selection C. Directional selection D. Disruptive selection Weegy: The ... (More)
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Asked 6/26/2013 1:35:35 PM
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Mosquitoes in tropical regions can carry and transmit the malaria parasite to humans. The mosquitoes used to be killed in these regions by spraying them with the insecticide DDT. The mosquitoes that were earlier sensitive to DDT are now not killed by DDT and grow and multiply even in the presence of DDT. How can you explain this phenomenon? Select one of the options below as your answer: A. All of the mosquitoes must have undergone a mutation for DDT resistance and produced similar kind of ...
Weegy: All of the mosquitoes are unlikely to have mutated, but it some will, and they will live to reproduce. Your answer is B, but I want you to understand why. Mosquitoes don't build up a tolerance to an insecticide; they either die or they don't. [ Those that don't most likely have a genetic mutation that allowed them to live, and that part of the population lives to reproduce. At the rate mosquitoes reproduce, I'm sure it seems like all of them have developed the mutation, but that's not how genetics works. If enough of them have it, they multiply like mad so soon you're covered in mosquitoes again and we don't notice the ones who were killed by the DDT. ] (More)
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Asked 6/26/2013 1:40:33 PM
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