Answer:
Cells contain DNA that controls the production of proteins.
Explanation:
Answer: it's because they need to provide a lot of energy.
Explanation: fat cells have many mitochondria because they store a lot of energy. Muscle cells have many mitochondria, which allows them to respond quickly to the need for doing work.
The second messenger camp is synthesized by the enzyme adenylyl cyclase.
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The advantage to prokaryotes grouping related metabolic gene products into a single operon is they only needed one mRNA to create several gene products. This makes a prokaryote different to a eukaryote in terms of gene information processing. Prokaryotes have fewer genes. These genes are located in one chromosome only.
I think 20 because
2n=20
n=20/2
N= 10
And chromosomes replicate themselves during interphase so the answer is 20.