What atoms must be present in a molecule for it to be consideredorganic?

Several substances found in nature or within living organisms themselves are essential to the life. Thus, for each of the following substances, please give a concrete example briefly describing how their properties make them essential to life. A) Acid (pH below 7) B) Lipid

Carbons is used in cells for  a) forming the charge across the membrane by serving a positive cations b) as the structural backbone of most molecules c) forming the second most common element  D) none of these

What are the four categories of organic compounds that make up all living things?

Is water a polar or a non- polar molecule? What is the consequence of that characteristic for the function of water as solvent?

a)What Group? (Carb, Lipid, Protein, or Nucleic b)Acid). Within the group, how would you classify it? 1. Molecule #1 a) CH2OH H CH2OH b) H HỌ CH2OH он н он ÓH H c)How do you know you correctly classified this macromolecule in its proper group?

A) B) A. Name specific structure "A" B. Name specific structure "B"

What are the names of the seven functional groups found in organic molecules? Underline the two that can act as an acid. Make the single group that acts as a base in bold lettering.

Which of the following are polymers? (there may be more than one correct answer.) Amino acids Nucleotides Proteins Fatty acids Polysaccharides Nucleic acids

Which of the following is not an organic molecule: methane (CH4), fructose (C6H12O6), rosane (C20H36), or ammonia (NH3)? How do you know?