HESI A2 Biology exam questions and answers 2022 graded A

HESI A2 Biology exam questions and answers 2022 graded A 1) Hierarchic Organizational system for nomenclature: Kingdom Phylum Class Order Family Genus Species (Least) "Keep Penguins Cool Or Find Good Shelter" 2) Scientific Method: Observation Hypothesis Experiment Conclusion 3) Water: All life, and therefore biology , occurs in water. 4) Properties of Water: 2 Hydrogen bonds Covalently bonded to Oxygen. Hydrogen Bonding between molecules. - High specific heat - Large bodies or water stabilize climates - Strong cohesive and adhesive properties - Water freezes forms a lattice crystal resulting in ice floating in water. - Polarity of water allows it to act as a universal solvent. - Water can be used to dissolve different solvents. 5) Carbohydrates: Long chains, or polymers of sugar. Most importantly form the backbone of DNA and RNA.