Answer:
He proposed that all cells come from existing cells.
Explanation:
He proposed that all cells come from existing cells, completing the cell theory.
Answer:
four-part protein
Explanation:
The blue people of Troublesome Creek had methemoglobinemia, a metabolic condition affecting hemoglobin, the four-part protein that carries oxygen bound to an iron atom at each subunit's core.
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Answer:
Explanation:
Aldehydes and ketones are organic compounds which incorporate a carbonyl functional group, C=O. The carbon atom of this group has two remaining bonds that may be occupied by hydrogen or alkyl or aryl substituents. Chain numbering normally starts from the end nearest the carbonyl group.
Answer:
covalent, which repel water molecules
they contain ions, which make the entire molecule hydrophilic
they are less dense than liquid water, so they float on the surface
most of their bonds are nonpolar covalent, so they are not attracted to water
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Explanation:
