0K
explanation:
0 kelvin (273 degrees celsius)
The process for connecting two monomers together is called dehydration synthesis. Dehydration means
“removal of water” and synthesis means “to join together”. So in this
process, two monomers are covalently bonded by the removal of a
water molecule. Each organic monomer has a hydroxyl group on
one side and a hydrogen on the other. When two monomers line
up side by side, they will have these two functional groups facing one
another. The H and the OH will break off of their respective
monomers and bond forming a water molecule. This is the dehydration
part of the process. Each monomer now has a carbon atom that needs
to covalently bond with something, so they bind to each other forming
a polymer. That is the synthesis part of the process.
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Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations (beneficial features).
The composition of the hair shaft onto which shampoos and conditioners are applied are; keratin, water, lipids, minerals, and pigments (melanin).
The hair shaft is a part of the hair that is situated above the skin. The hair shaft is mostly composed of keratin with water, lipids, minerals and pigments (melanin). The hair shaft contains three layers which are; the cuticle (the thin outer part of the hair shaft), the cortex (the middle part of the hair shaft which is responsible for the texture, strength, and colour of the hair), and the medulla (the deepest part of the hair shaft). The cuticle is the first layer of the hair shaft to be damaged when hair is not treated properly through the use of insufficient shampoo, conditioner, or brushing.