The four types of macromolecules in cells are nucleic acids, lipids, proteins, and carbohydrates.
Answer:
highlighted in bold above, are a struggle for existence, variation and inheritance
Explanation:
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<span>There have been studies done that show using this technology to create milk makes the milk more dangerous. People who drink this milk are more likely to get prostate cancer, breast cancer and colon cancer. The technology also creates many toxins that can harm the cows and milk drinkers.</span>
