BSC 2010 Final Exam Questions With Accurate Answers Solutions Guaranteed

1. Cells are made from other cells. 2. Cells make up living things - Correct Answers What is the cell theory Domain, kingdom, phylum, class, order, family, group, species - Correct Answers Name the order for biological classification Dear King Philip Came Over for Great Sex - Correct Answers DKPCOFGS share - Correct Answers Covalent means polar covalent bonds - Correct Answers one element is more electronegative than the other symmetric - Correct Answers nonpolar covalent bonds are take - Correct Answers ionic means hydrogen bond - Correct Answers bonds that are more like magnetic attractions, atoms not shared, weak covalent ionic hydrogen bond - Correct Answers order of bond strength isotope - Correct Answers atoms with the same number of protons but a different number of neutrons prokaryotes - Correct Answers simple, lack membrane bound nucleus eukaryotes - Correct Answers have nucleus and organelles atomic mass - Correct Answerstotal mass of an atom; protons + neutrons atomic number - Correct Answersnumber of protons carbon, hydrogen, oxygen, nitrogren - Correct Answers4 naturally occuring elements hydrophilic - Correct Answerswater loving, dissolves in water, polar hydrophobic - Correct Answerswater hating, nonpolar, won't dissolve in water more - Correct AnswersDoes an acid have more or less H+ ions compared to a base? acidic - Correct AnswersOn the ph scale, below 7 is basic - Correct Answerson the ph scale, above 7 is neutral - Correct Answerson the ph scale 7 is hydrogen bonds - Correct AnswersThe cohesiveness of water molecules is due to what type of bond cohesion - Correct Answerstwo like molecules stickin together adhesion - Correct Answersattraction of unlike molecules specific heat - Correct Answershow much energy it takes to change the temperature of something high, because it has a lot of hydrogen bonds - Correct AnswersDoes water have a high or low specific heat alcohols - Correct Answershydroxyl OH keytones, aldehydes - Correct Answerscarbonyl CO acid, carbonyl + hydroxyl - Correct Answerscarboxyl COOH amine - Correct Answersamino NH2 covalent - Correct AnswersWhat type of bonds does carbon form? carbohydrates - Correct Answerssugars (mono, di, polysaccaride) glycogen starch cellulose (cell wall) glycogen - Correct AnswersWhere animals store their energy starch - Correct AnswersHow plants store their energy Lipids - Correct Answersfats, phospholipds, steroids unsaturated - Correct AnswersWhich type of fats are good because they have double bonds nucleic acid - Correct AnswersDNA, RNA proteins - Correct Answersamino acids linked by peptide bonds are called pleated or coiled - Correct Answerssecondary protein structure 3D - Correct Answerstertiary protein structure multiple tertiary structures - Correct Answersquaternary denaturation - Correct Answersproteins become denatures and lose their function plasma membrane, DNA, ribosomes, cytoplasm - Correct AnswersALL cells have lysosomes, centrosomes, flagella, gap junctions - Correct AnswersStructures unique to animal cells cell wall, plasmodesmata, central vacuole, chloroplasts, amyloplasts, chromoplasts, - Correct AnswersStructures unique to plant cells plasma membrane - Correct Answersselective barrier that controls what can enter and leave cell; double layer of phosopholipids w/ embedded proteins ribosomes - Correct Answerssite of protein synthesis Smooth ER - Correct Answerssynthesis of lipids, metabolism of carbohydrates, detoxification of drugs, makes sex hormones, no ribosomes Rough ER - Correct Answerssecretion of specialized proteins and packages proteins into transitional ER then into bubbles called transport vesicles which move to Golgi Golgi apparatus - Correct Answersaccepts transport vesicles containing cellular products from ER; modifies, sorts ships proteins, placed ID tag on them lysosome - Correct Answerscontains enzymes which digest macromolecules mitochondria - Correct Answerssite of cellular respiration mitochondria - Correct Answersorganelle that has its own DNA, ribosomes, and can reproduce itself chloroplasts - Correct Answerssite of photosynthesis grana - Correct AnswersStacks of thylakoids stroma - Correct Answersfluid outside thylakoids cytoskeleton - Correct Answersnetwork of fibers in cytoplasm, gives structural support Microtubules - Correct Answersmaintains shape of the cell microfilaments - Correct Answerspulling force that supports cell shape, involved in muscle contraction istonic - Correct Answersequal solvent/water and solute hypertonic - Correct Answers"swell", "burtst", "lyse"; more 'salt' than water hypotonic - Correct Answersmore water than salt, "shrink" Endomembrane system - Correct Answersnuclear membrane, endoplasmic reticulum,Golgi apparatus, lysosomes, vacuoules and the plasma membrane simple diffusion (high to low), facilitated diffusion (w/ help of a protein), osmosis (water) - Correct Answers3 types of passive transport Active transport - Correct Answerslow to high concentrations, requires atp plasmolysis - Correct AnswersPlant cells lose water sodium potassium pump - Correct AnswersForm of active transport, proteins pump sodium ions out of cell and potassium ions into cell Exocytosis - Correct AnswersRelease of molecules by vesicles fusing with cell membrane (things go out) Endocytosis - Correct AnswersBringing molecules into the cell by vesciles phagocystosis - Correct AnswersForm of endocytosis, cellular eating, bringing solid food materials in, engulfing large food particles tight junctions - Correct AnswersImpermeable, binds cells together, won't let anything through anchoring junctions - Correct AnswersKeeps cells attach while they communicate gap junctions - Correct AnswersAllows free transfer of proteins between cells anabolic pathway - Correct AnswersPathway that turns complex simpler compound into a complex one; builds it up Catabolic pathway - Correct AnswersPathway that breaks down complex molecules into simpler ones Law of thermodynamics - Correct Answers1. Energy cannot be created nor destroyed, only transferred. 2. Every transfer of energy increases the entropy of the universe. Activation energy - Correct AnswersThe initial amount of energy needed to start a chemical reaction catalyst - Correct AnswersSpeeds up a reaction without being consumed by the reaction active site - Correct AnswersWhere the substrate is supposed to bind Competitive inhibitor - Correct AnswersA ______ blocks the correct substrate from being able to fully attach to the enzyme/catalyst Noncompetitive inhibitor - Correct AnswersA substance that reduces the activity of an enzyme by binding to a location remote from the active site changing its conformation so that it no longer binds to the substrate. (changes the shape)