I think you're talking about histones. Histones are proteins found in eukayotic cell nuclei. Histones are what DNA wrap around so it fits inside the nucleus and helps with the formation of chromosomes.
Answer:
See below
Explanation:
The difference between these two is that anabolism requires energy to grow and build and catabolism uses energy to break down.
Easy. A hybrid is literally a crossing of two things. A hybrid is a blueprint (genetic instructions) ready to be build.
If you can remember the hybrid and blueprint part I'm pretty sure you'll get it.
Answer:
1.It produces silk which is a high quality fibre
2.to destroy the gelatinious substance inside cocoon so as to obtain silk thread
3.To avoid it from hatching
4.they carry pollen grains while roaming plant to plant and help in cross pollination