Biology, 16.11.2019 23:31 martdrea13
How has our relationship with milk changed pollution in the last 200 years?
o
a. milk production used to create much more pollution.
b. milk cartons have reduced the amount of pollution.
o
c. milk production and consumption now causes much more
pollution
o
d. producing milk now causes almost no pollution.
Answers: 2
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Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria
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Biology, 22.06.2019 10:30, ccarwile01
Apopulation of rabbits live in a local forest. some had a mutation for a large body and long legs. the graph below shows the number of both the mutant and the normal rabbits over 5 generations. which of the following statements is true for this scenario? question 7 options: the rabbits with the mutation were more successful with restricted food than the normal rabbits. both sets of rabbits were equally successful with the restricted food source. i the normal rabbits were more successful with restricted food than the rabbits with the mutation. the graph does not let us know which rabbit was more successful.
Answers: 1
Biology, 22.06.2019 13:00, christianfielding336
Astudent from one of the research labs is having trouble preparing a slide for examination and photographing. the bacterial slide that he has brought to you was prepared using a commercially purchased stain. he has asked for your in determining what he is doing wrong so that he can change the lab protocols and continue on with his project. after examining the slide under oil immersion, you determine that no bacteria are present even though the student is able to show you the culture he used to make that slide that has visible growth in the liquid medium. which of the following statements does not explain the fact that there are no bacteria present on the student’s slide? by not allowing a glass slide to completely air dry before heat fixation, the flame will cause the surrounding water to boil and this will damage the bacterial cell. overheating during the fixation step boiled the water within the bacterial cells and resulted in the cells bursting. insufficient heating of the slide did not drive out the thin layer of water and this resulted in minimal bonding between the bacteria and the glass slide. rinsing with alcohol during the washing step stripped the bacteria off the glass slide. rinsing with alcohol during the washing step stripped the bacteria off the glass slide.
Answers: 1
How has our relationship with milk changed pollution in the last 200 years?
o
a. milk p...
o
a. milk p...
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