You could’ve attached a question or a picture or something
Material made in a nucleus made of DNA and other proteins is chromatin network
The double membrane. It's theorized that chloroplasts used to be their own single-celled organism in the environment (and therefore with its own membrane). Then, the theory states, a larger cell took in the chloroplast by endocytosis, which involves surrounding the chloroplast in the large cell's own membrane. The chloroplast would then have two membranes surrounding it. This is similar to the thinking for mitochondria becoming an organelle as well. Hope this helps! :)
A sound wave is A wave of compression and rarefraction .
Answer:
Stem Cells
Explanation:
Stem cells are unspecified or undifferentiated meaning they can turn into any type of cell
