Answer:
A.) transcription factors
Explanation:
Transcription factors are often very important in initiating patterns of gene expression that result in major developmental changes.
Answer: A. Nitrogen
Explanation: Nucleic acids contain the same elements as proteins: carbon, hydrogen, oxygen, nitrogen; plus phosphorous (C, H, O, N, and P). Nucleic acids are very large macromolecules composed of repetitive units of the same building blocks, nucleotides, similar to a pearl necklace made of many pearls.
We have polluted it— the air, water and the ground.
Some people have tried to clean up the environment
Answer: D. allopatric; breakdown
Explanation:
Allopatric speciation is a type of speciation whereby individuals of the same biological population becomes separated up to the extent that there will no longer be gene flow between them.
Hello there!
For a cell to be responsive to a lipid-soluble hormone, it must have <span>a specific receptor in the cytoplasm or nucleus. I hope I was able to help you, and you're welcome :)
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