I believe the answer is hormones. correct me if i'm wrong.
Ionic bonds result when electrons are tranfered between atoms. Covalent bonds result when valence electrons are shared between atoms. You should be able to identify whether an ionic or covalent bond is being formed between atoms.
It is known as a concentration gradient which in diffusion will always flow from ares of high concentration to areas of low concentrations
So i believe the answer to this is A.
Answer:
ATP functions as the energy currency for cells. It allows the cell to store energy briefly and transport it within the cell to support endergonic chemical reactions. The structure of ATP is that of an RNA nucleotide with three phosphates attached.
Answer:
It should be the one that's selected in the image.
Explanation:
Triglycerides store unused calories and provide your body with energy. Cholesterol is used to build cells and certain hormones.