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1.Phospholipids provide barriers in cellular membranes to protect the cell, and they make barriers for the organelles within those cells. Phospholipids work to provide pathways for various substances across membranes.
2.Carbohydrates are organic compounds that are organized as ring structures and are always composed of the elements carbon, hydrogen, and oxygen. Carbohydrates are truly hydrates of carbon because the ratio of hydrogen atoms to oxygen atoms is always nearly 2:1, as in H2O.
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Answer:
C, the DNA in a Eukaryotic cell is in the nucleus
Answer is It can be used by scientists everywhere and everything.
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i think its C because the rainforest has alot of animals and species its hot and humid. and rains alot
<span>False. Bottleneck events are caused when size of a population sharply declines, and there are multiple causes of this decline. Often it involves the death of most of a species' population, for example, following a natural event, such as an earthquake or famine, or as a result of human behaviour, such as genocide. However, it can also be as a result of a separation event or mass migration during which the majority of a species does not die.</span>