Answer:
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions. Combined, these molecules make up the majority of a cell's dry mass (recall that water makes up the majority of its complete mass)
Explanation:
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Answer:
It could require the removal of massive amounts of top soil, leading to erosion, loss of habitat and pollution.
Explanation:
Coal mining causes acid mine drainage, which causes heavy metals to dissolve and seep into ground and surface water.
Answer: Nucleus
Explanation: Most of the genetic information is stored in the nucleus. The nucleolus is a dense structure that forms within the nucleus of a cell during interphase of the cell cycle.
