In which of the following is hydrogen bonding a key stabilizing force: beta pleated sheets, cellulose, fatty acid tail interaction in a lipid bilayer, interaction of peripheral membrane proteins with a biological membrane?

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What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid