Animal cells do not have a cell wall or chloroplasts but plant cells do. This is just one example there are several ways. <span />
Lipids are hydrophobic macromolecules
Answer:
DNA needs RNA to be copied.
Explanation:
The transcription process starts by DNA "Unziping" itself and the RNA polymerase matches up to its allele. This then copies the DNA and it is sent out to a ribosome for the translation process.
Though technically there are six levels of organization in ecology, there do exist some sources which only identify five levels, namely organism, population, communities, ecosystem, and biome; excluding biosphere from the list.
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