A eukaryotic chromosome is made of two which are held together by a . A.) Centromeres - Histone
B.) Chromatids - Centromere
C.) Chromatins - Nucleosome

Choose A, B or C

A.) Centromeres - Histone

Explanation:

each and every eukaryotic chromosome is made of dna put together and condensed around proteins called histones. sorry I tried to explain the best I can. also I may be wrong but I remember my teacher talking about this! (•‿•)

the tricuspid valve is present between right atrium and right ventricle

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called