Biology, 30.10.2020 09:40 ajbrock1004
A scientist wants to grow human cells to use in an experiment. What should
the scientist do to grow and maintain cells in the laboratory?
A. The scientist should use a light microscope.
B. The scientist should design a model of a cell.
C. The scientist should use an electron microscope.
O D. The scientist should prepare a culture of the cells.
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Answers: 1
Biology, 20.06.2019 18:02
Which situation is an example of competition that could be found in the grassland? a. two lion populations utilize the same gazelle population as their main food source b. deer eat berries and their droppings seed new areas, creating new berry bushes c. two shark populations utilize the same fish population as their main food source d. lack of sunlight due to changes in the seasons restricts the growth of certain plants
Answers: 1
Biology, 22.06.2019 00:40
Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
Answers: 2
Biology, 22.06.2019 01:30
Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve
Answers: 1
A scientist wants to grow human cells to use in an experiment. What should
the scientist do to grow...
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