Answer:
Lipid bilayer membranes have a hydrophobic core, and therefore work as an effective barrier against water-soluble substances.
1. Pre-Cambrian Era.
1.1 Hadean
1.2 Archean
1.3 Proterozoic
2. Paleozoic Era.
2.1 Cambrian
2.2 Ordovician
2.3 Silurian
2.4 Devonian
2.5 Carboniferous
2.6 Permian
2.6.1 Young earth creationist claims
2.6.2 "The Great Dying"
3. Mesozoic Era.
3.1 Triassic
3.2 Jurassic
3.3 Cretaceous
3.3.1 K-Pg extinction
4. Cenozoic Era.
4.1 Paleogene
4.2 Neogene
4.3 Quaternary.
According to this phyletic lineage, Cambrian (542 to 488 million years ago) and Silurian (443 to 416) are younger than Triassic (251 to 199), whereas Jurassic (199.6 to 145.5), Cretaceous (145 to 65), and Neogene ( 23 to 2.6) came later.
<span>Water-soluble vitamins are much more easily stored in the body, but they are only required up to a certain amount. Anything extra is secreted or excreted. Fat-soluble vitamins, on the other hand, are stored in the body when an excess is taken in: this can lead to a toxic level in some instances.</span>
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The medical term that means of or pertaining to a position toward the belly of the body; frontward; or anterior is= Ventral
