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.
Onion is an underground crop and it have no involvement in the photosynthesis. So it have no chloroplast in their cell.
Hope this helps!
-Payshence
Globular clusters is a type of star system where the stars are tightly bounded by gravity.
<h3>What is a star system?</h3>
A star system can be defined as small number of stars that orbit around each other and are bound by gravitational force of attraction.
It is also called a stellar system.
Globular clusters is a type of star system with the following features;
- It is composed of hundreds or thousands of low-metal old stars.
- Stars are similar to those in the spiral galaxy
- Stars are tightly bound by gravity.
Hence, globular clusters is a type of star system.
Learn more about star system here:
brainly.com/question/26966644
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