Answer:In old stems the epidermal layer, cortex, and primary phloem become separated from the inner tissues by thicker formations of cork. Due to the thickening cork layer these cells die because they do not receive water and nutrients. This dead layer is the rough corky bark that forms around tree trunks and other stems.
Explanation: wikipedia.
Answer:
DNA
Explanation:
cytoplasm of a prokaryotic cell, but is not found in the cytoplasm of a eukaryotic cell.
Answer:
It depends but me I think that Camouflage is what makes one animal less adapted then others.
Explanation:
You want be able to see the animal.
The +1 site is the transcription start site and the region 10 base pairs upstream is a region of the promoter critical for sigma binding and initiation. Initiation will be inhibited because sigma cannot bind to the promoter. Mutations are random, sudden spontaneous changes that occur in the genetic make up of an organism.