Biology, 27.02.2020 21:41, mikey200059
Oil is being obtained from the Arctic region, and this can cause environmental problems when there are spills since normally toxins take much longer to be degraded in colder temperatures. There are two good possible strategies to help clean up oil spills in the Arctic using bioremediation. One idea would be evolving oil-eating microbes that are found in warmer temperatures like the Gulf of Mexico to live in the Arctic. Another would be to genetically engineer the petroleum-degrading genes into psychrophilic organisms. 1st attempt Part 1 (1 point)See Hint What kind of cellular changes would be expected in oil-eating microbes moved from a warmer environment to the Arctic? Choose one: A. increased cholesterol in the membranes and increased glycogen storage for nutrient availability B. increased cell wall thickness to act as a blanket against the cold and decreased movement to save energy for other important functions C. increased cellular movement to keep the temperature higher and increased pore production to allow ice crystals to be pumped out of the cell D. increased unsaturated fatty acids in membrane phospholipids and development of trehalose being used as a cryoprotectant
Answers: 2
Biology, 22.06.2019 00:00, Blbyrd1287
Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 1
Biology, 22.06.2019 06:50, dukkchild666
How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes
Answers: 2
Biology, 22.06.2019 08:50, donnafranks2003
Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells
Answers: 1
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