Liberty University BIOL 101 Quiz 2 Complete Solutions Correct Answers Key

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Liberty University BIOL 101 quiz2complete solutionscorrect answerskeyMore than two versionsIn an organism, the structure of ___________ determines its function; in a cell the structureof ____________ determines its function.A common form of energy storage in the roots of plants:A condensation reaction joins two organic molecules together creating an H+ ion and an–OH ion. These thenThe tertiary structure of a protein describes itsA fat molecule consists of:Testosterone signals all of the following in the human male except:Which of the following examples from the living world exhibit well-designed structuressupporting well-designed functions?In a protein, the sequence of amino acids often folds initially into alpha helices and/or betapleated sheets. These helices and sheets are two examples ofPolymers are degraded by the cell into monomers in a process in which the __________ froma water molecule stabilize the broken _________ in the polymer molecule.The bases in a DNA molecule include all of the following exceptThe structure of testosterone could best be described asWhich of the following is the name for a class of sugar molecules?The four major classes of biomolecules are:An amino group, a carboxylic acid group, a hydrogen atom and one or more atomscomposing a side chain (“R” group) all together make up a monomer calledA phospholipid is made up of:A carbohydrate contains ________ atoms.Which of the following is not a lipid?The carbon atom is uniquely suited to building large molecules because it:A large polymeric molecule that is nonpolar over most of its structure but very polar at oneend:Each of the following is the name of a class of monomers used as building blocks in thepolymers of living organisms except for

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The structure of a phospholipid molecule admirably suits it to the function ofThe Miller-Urey experiments used random jolts of electrical energy to produce a variety ofamino acids and other molecules. One weakness of these experiments:Virtually all monomers in cells are built into polymers by removing _________ from onemonomer and ____________ from the other monomer, and using these products to form____________Which of the following molecules is a polymer?Carbon atoms are uniquely suited for building molecules in living things becauseIn living organisms well-designed structures support well-designed functions.This intricacyof design is seen atHemoglobinCarbohydrates include all of the following exceptWhich of the following is not a carbohydrateThe carbon atomGlycoproteinsDNA contains four kinds of nitrogenous bases whoseprinciple function isWhich is not a function of a lipidCellulose and starch are both long polysaccharide chains made of glucose molecules.But acell’s enzymes can tell them apart becauseWhen a single hemoglobin subunit picks up an oxygen moleculeAmino acids are building blocks used in building proteins.About how many different kindsof amino acids are there for this purposeWhich class of biomolecules is most efficient as a long-term storage, concentrated source ofenergy?What stimulates the release of the enzyme amylase into the pancreatic duct so that it canbreak down starches?Which of the following terms describes or names a cell that swims like an animal using cilia,but is green in color like a plant?Which of the following is NOT part of the Cell Theory?A eukaryotic cell structure (organelle) that results when a vesicle formed from the Golgi

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complex simply remains in the cytoplasm of the cell:Which of the following statements is an element of cell theory?Biologists have discovered living things that defy (do not agree with) “Cell Theory”. Whichaspect of the cell theory is most directly violated by slime molds?When the enzyme amylase from the pancreas is finally ready for use, it is stored within cellcytoplasmic vesicles called___.In order for the nasty bacterium Streptococcus pyogenes to adhere to your throat cells,attachment to your cells must be made. This is done using new proteins called _____ and newcell structures called ________.Two unusual features of protozoan cells like Paramecium areIt is difficult for human macrophages to detect and destroy Strep cells because Strep cellsA prokaryotic cell is protected against osmotic swelling and rupture by itsA eukaryotic cell structure (organelle) in which the final stages of protein maturation arecompleted:Energy processing in eukaryotic cells often involves linearly arranged reactions. That is whyenergy processing organelles have highly folded membranes within them—structures knownasRespiratory proteins, ion channels, transport proteins and attachment point proteins are allexamples of protein found____ are little molecular machines (eukaryotic cell structures) that move vesicles andorganelles throughout the cytoplasm of the cell.When a protein molecule has folded into its final form, it leaves the endoplasmic reticulum(RER) and travels to the Golgi complex by means ofSome species of Paramecium receive sugars fromWithin an acinar cell, the enzyme amylase reaches its final form withinAn important function of the eukaryotic cell membrane is toWhich of the following is NOT a kind of protein found in a prokaryotic membrane?It is impossible to write a brief dictionary definition of life because____________ house enzymes that trap carbon dioxide and bind it to larger substratemolecules.What structures inside the eukaryotic cell provide a skeletal framework that supports and

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shapes the cell?________ and ________ are structures that walk along microtubules in the eukaryotic cellcarrying vesicles from place to place.To say that “the cell is the unit of life” means thatWhich of the following organisms is considered to be eukaryotic____ are little molecular machines that move vesicles and organellesthroughout the cytoplasm of the cellCells are small becauseWhich of the following occurs in the nucleolusIn order for nasty bacterium Streptococcus pyogenes to stick to your throat cells, attachmentproteins must be made. These proteins are calledProkaryotic organisms have a definite lack of which of the followingA saltine cracker is mostly starch.If cracker bits are digested into small subunit parts, whatkind of molecule would be the product?Discrete, visible lengths of DNA sequence found in human cell nuclei are known asIgnoring cell size and just counting numbers, most of the cells in nature are this typeBacteria are typically very mall, yet even the largest bacterium is still a prokaryote because itZoochlorella cells (algae thatdo photosynthesis) benefit by living inside Parameciumcells.TheyQuestion 1 The nucleoid of a prokaryotic organism containsQuestion 2 The bases in a DNA molecule include all of the following exceptQuestion 3 Which of the following is NOT a kind of protein found in a prokaryotic membrane?Question 4 ____ are little molecular machines (eukaryotic cell structures) that move vesicles andorganelles throughout the cytoplasm of the cell.Question 5 Whichof these is an organelle that would be useful in a cell that takes in and destroysviruses?Question 6 Within an acinar cell, the enzyme amylase reaches its final form within

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Question 7 When a prokaryotic bacterial cell has a second outer membrane, the membrane’sfunction is toQuestion 8 Biologists have discovered living things that defy (do not agree with) “Cell Theory”.Which aspect of the cell theory is most directly violated by slime molds?Question9Asinglestrandedpolymerwhosemonomerscontainthesugarriboseandthenitrogenous base uracil:Question 10 A fat molecule consists of:Question 11 Respiratory proteins, ion channels, transport proteins and attachment point proteinsare all examples of protein foundQuestion 12 The boundary around a prokaryotic cell can best be described asQuestion 13 The structure of a phospholipid molecules admirably suits it to the function ofQuestion 14 Some slime molds violate the first element of cell theory becauseQuestion 15 An important function of the eukaryotic cell membrane is toQuestion 16 Bacteria are typically very small, yet even the largest bacterium is still a prokaryotebecause itQuestion 17 A eukaryotic cell structure (organelle) in which the final stages of protein maturationare completed:Question 18 Which of the following is the name for a class of sugar molecules?Question 19 Which of the following cells are prokaryotic?Question 20 A fivecarbon sugar that is bonded to a nitrogencontaining base and to either one,two or three phosphate groups is known as a(n) _________ monomer.Question 21 DNA contains four kinds of nitrogenous bases whose principle function isQuestion 22 GlycoproteinsQuestion 23 ________ and ________ are structures that walk along microtubules in the eukaryotic cellcarrying vesicles from place to place.Question 24 When the enzyme amylase from the pancreas is finally ready for use, it is stored

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