Answer: Chromosome
The polynucleotide DNA strands are wrapped on circular proteins called histones which then are condensed into a structure called chromosome.
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Humans use selective breeding to pass desired TRAITS on to the next generation of organisms.
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Answer:
valence electrons
horizontal row on the periodic table
cation
anion
solid, ?
high
electricity
cation first, then anion
low
they do not conduct electricity
halogens
a representation or simulation for device structure, process equipment, or a management system ?
atom
protons and neutrons (and electrons?)
elements are arranged from left to right and top to bottom in order of increasing atomic number
Explanation:
They are a very good example of mutualism in which each species benefits. Please mark Brainliest!!!