Answer:
Proteins.
Explanation:
They are called membrane proteins.
Answer: double helix
Explanation: The double helix of DNA is, like its name implies, in the shape of a helix which is essentially a three dimensional spiral. The double comes from the fact that the helix is made of two long strands of DNA that are intertwined—sort of like a twisted ladder.
What system are we talking about? Context is needed... water cycle, cells, etc?
Mechanisms of gene regulation include: Regulating the rate of transcription. ... Regulating the processing of RNA molecules, including alternative splicing to produce more than one protein product from a single gene. Regulating the stability of mRNA molecules.
