Essentials Of Human Anatomy And Physiology 11th Edition Chapter 2 Exam Questions And Answers Verified 100% Correct

Essentials Of Human Anatomy And Physiology 11th Edition Chapter 2 Exam Questions And Answers Verified 100% Correct As an ion, major extracellular cat ion; important for water balance, conduction of nerve impulses, and muscle contraction. - ANSWER sodium Need to make functional thyroid hormones, metabolism - ANSWER iodine Component of the functional hemoglobin molecule and some enzymes. Transports oxygen with in red blood cells. - ANSWER -iron Shares electrons when bonding - ANSWER -covalent bond Gives up electrons has a positive charge transfers atoms during bonding. - ANSWER -ionic bond Extremely weak bonds formed when a hydrogen atom bound to one electron hungry nitrogen or oxygen atom is attracted by another electron hungry atom, hydrogen atom forms a bridge. - ANSWER hydrogen bond NaCl - ANSWER -sodium chloride O2 - ANSWER -oxygen gas CH4 - ANSWER -methane CO2 - ANSWER -carbon dioxide C6H12O6 - ANSWER -glucose Solution is composed of a solute dissolved in a solvent. Solute - lower amount, lower concentration Solvent - greater amount Sweating releases heat. - ANSWER -Define the properties of water that make it important to the human body Carbohydrates- sugars Lipids - fat Proteins - amino acids Nucleate acid - DNA, RNA - ANSWER -What are the categories of macromolecules? One sugar, glucose - ANSWER -Monosaccharides Two sugars, sucrose, lactose - ANSWER -Disaccharides Starch, glycogen - ANSWER -Polysaccharides Stored fat - ANSWER -Triglycerides and fatty acid's, glycerol Cell membranes - ANSWER -Phospholipids Not larger, different shape, cholesterol - ANSWER -Steroids Building blocks of proteins, globular - enzymes, antibodies, structuralcollagen - ANSWER -Amino acids Atoms of almost all elements Exhibit 2 or more structural variations isotopes have the same number of protons and electrons but vary in the number of neutrons they contain. - ANSWER -Isotopes Occur when two or more atoms or molecules combined to form a larger, more complex molecule A + B AB - ANSWER -Synthesis reaction Occurs when a molecule is broken down into smaller molecules, atoms, or ions and can be indicated by AB A + B - ANSWER -Decomposition reaction Involve both synthesis and decomposition reactions; Bonds are both made and broken. AB + C AC + B AB + CD AD + CB - ANSWER -Exchange reaction