The following statements are true about the modification of chromatin structures in the eukaryotes:
1. Melthylation of histone tails in chromatin can promote condensation of the chromatin.
2. DNA is not transcribed when chromatin is package tightly in a condensed form.
3. Acetylation of histone tails in chromatin allows access to DNA for transcription.
4. Some form of chromatin modifications can be passed on to future generation of cells.
5. Acetylation of histone tails is a reversible process.
It is c so hope this helps
I think you mean the Euphotic zone for A. if so, then A!
Answer:
They have no use for it, just like they dont have any type of respiratory organs like lungs.
Explanation:
In the case of nutrition and digestion they obtain food by capturing their prey with their pseudopodia. The food is internalized through a type of endocytosis known as phagocytosis. Nutrients are obtained as the enzymes digest the food inside the vacuole and when they are finished the food vacuole dissolves.
