BACE Knowledge Exam 2023 with 100% correct answers

Covalent sharing electrons between atoms Polar Covalent a pair of electrons is unequally shared between two atoms; ex. water Ionic complete transfer of valence electrons between atoms Carbs CHO Lipids CHOP (phosphorus in phospholipids only) Proteins CHON Nucleic acids CHONP Homo same uniform appearance and composition Hetero visibly different substances of phases Aerobic with air, cellular respiration Anaerobic without air, lactic acid fermentation, or alcohol fermentation (ethanol) Enzymes and reaction rates Enzymes increase reaction rates by decreasing activation energy DNA structure and function double helix; made up of nucleotides, G-C A-T, genetic code, sugar-phosphate backbone, hydrogen bonds between nucleotides