(solved) HESI A2 Biology 2024

kingdom largest and most inclusive category species most restrictive category hierarchic organizational system kingdom, phylum, class, order, family, genius, species steps to an experiment 1. observation 2. hypothesis 3. experiment 4. conclusion observation data is observed and recorded/ previous data is studied hypothesis a statement or explanation of certain events or happenings experiment repeatable procedure of gathering data to support or refute the hypothesis conclusion where the data and its significance are fully explained aqueous water based water molecule consists of two hydrogen atoms covalently bonded to one oxygen atom most significant aspect of water is the polarity of its bonds that allows for hydrogen bonding between molecules specific heat the amount of heat necessary to raise the temperature of 1 gram of that molecule 1 degree celsius water has high specific heat due to the extent of hydrogen bonding between water molecules, which allows waters to resist shifts in temperature (ability of oceans or large bodies of water to stabilize climates) cohesion the ability of a molecule to stay bonded or attracted to another molecule of the same substance (water running together on a newly waxed car) adhesion the ability of water to bond to or attract other molecules or substances (when water is sprayed onto the wall, some of it sticks to the wall) when water freezes it forms lattice crystals; causing the molecules to spread apart, resulting in the phenomenon of ice floating polarity of water allows it to act as an versatile solvent (used to dissolve a number of different solvents) carbohydrates longs chains, or polymers of sugar -used for storage, structure, and energy -the backbone of important molecules such as DNA and RNA