A medical researcher has isolated a chemical from cigarette smoke. When the scientist mixes a small amount of the substance with living human cells, the chemical damages unsaturated fatty acids in the cells' plasma membranes. He is able to prevent this damage by adding vitamin E to the mixture of the chemical and cells. Based on this information, the scientist has . determined that the chemical in cigarette smoke is an oxidizing agent discovered a vitamin-based cure for lung cancer conducted an in vitro experiment under poorly controlled conditions identified vitamin E as a prooxidant
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Biology, 21.06.2019 14:00
The population of bacteria in a petri dish doubles every 40 seconds. the population of the bacteria is initially 400 organisms. what unit is most appropriate for the time at which the number of bacteria is 300? hour bacteria per hour second bacteria per second
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Biology, 21.06.2019 16:00
Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?
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Biology, 22.06.2019 06:30
1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.
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Biology, 22.06.2019 07:00
Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?
Answers: 2
A medical researcher has isolated a chemical from cigarette smoke. When the scientist mixes a small...
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