SCIN132 Week 1 Quiz Latest 2017 (All Correct)

QuestionQuestion 1 of 323.0/ 3.0 PointsThe standard error tellsA.how often the examiner made an error.B.how often the experimental variable was tested.C.the relationship between the control and test groups.D.whether or not the research has been published in a scientific journal.E.how uncertain a particular value is.Question 2 of 323.0/ 3.0 PointsA complex individual that consists of organ systems is known as a/anA.community.B.population.C.organism.D.tissue.E.species.Question 3 of 323.0/ 3.0 PointsThe development of resistance of MRSA bacteria to antibiotics is an example ofA.homeostasis.B.metabolism.C.evolution.D.reproduction.E.organization.Question 4 of 323.0/ 3.0 PointsThe face of a sunflower turns to follow the sun as it moves across the sky. This is an example ofA.metabolism.B.homeostasis.C.response to stimuli.D.development.E.reproduction.Question 5 of 320.0/ 3.0 PointsWhich of the following URLs would you perhaps distrust in writing a scientific paper?A..comB..govC..eduD..orgE.Both .edu and .govQuestion 6 of 323.0/ 3.0 PointsTraditions beliefs and values are considered what aspect of human life?A.communicativeB.culturalC.instructionalD.biologicalE.chemicalQuestion 7 of 323.0/ 3.0 PointsAll of the changes that occur from the time an egg is fertilized through childhood adolescence and adulthood are calledA.metabolism.B.evolution.C.homeostasis.D.reproduction.E.development.Question 8 of 323.0/ 3.0 PointsThe cell you are examining under the microscope appears to contain a nucleus. This organism belongs to the domainA.Bacteria.B.Archaea.C.Eukarya.D.Animalia.E.Fungi.Question 9 of 323.0/ 3.0 PointsAfter studying biology it is hoped that youA.will become an animal rights activist.B.will be better able to make wise decisions regarding your own well being and the Earth’s.C.will get a high paying job as a biologist.D.will understand all there is to know about humans and biology.E.will dislike anything to do with biology.Question 10 of 323.0/ 3.0 PointsThe information collected during the experiment or observation is calledA.a theory.B.a hunch.C.the hypothesis.D.the data.E.the conclusion.Question 11 of 320.0/ 3.0 PointsA controlled study when neither the patient nor the examiner is aware of whether the patient is receiving a treatment is called a/anA.statistical study.B.double-blind study.C.variable study.D.adaptive study.E.blind study.Question 12 of 320.0/ 3.0 PointsWhich of the following is not a function of proteins?A.quick energyB.supportC.transportD.enzymesE.motionQuestion 13 of 320.0/ 3.0 PointsATP carries energy in the form of high-energyA.carbohydrate bonds.B.peptide bonds.C.lipid bonds.D.phosphate bonds.E.hydrogen bondsQuestion 14 of 320.0/ 3.0 PointsHydrogen bondsA.result from the loss of neutrons by an atom.B.result in the formation of salts.C.involve the loss and gain of electrons.D.involve the sharing of electrons.E.are relatively weak and can be broken rather easily.Question 15 of 323.0/ 3.0 PointsIn an acidic solutionA.the number of H+ is less than the number of OH- .B.the number of H+ is greater than the number of OH- .C.the number of H+ is equal to the number of OH- .D.the number of H+ is 3 times less than the number of OH- .E.the number of H+ is 10 times less than the number of OH- .Question 16 of 323.0/ 3.0 PointsWhat makes each amino acid unique?A.the central carbonB.the R groupC.the amino groupD.the carboxyl groupE.the carbon ringQuestion 17 of 320.0/ 3.0 PointsWhen an ATP molecule is used to supply energy which of the following occurs?A.a phosphate bond is addedB.a phosphate bond is brokenC.oxygen is removedD.oxygen is addedE.an adenine is addedQuestion 18 of 323.0/ 3.0 PointsWhat is the symbol for sodium?A.NaB.SC.SoD.NE.DmQuestion 19 of 323.0/ 3.0 PointsThe sex hormones belong to which category of lipids?A.steroidsB.fatsC.oilsD.triglyceridesE.phospholipidsQuestion 20 of 320.0/ 3.0 PointsThe monomer unit of a protein isA.fatty acids.B.amino acids.C.monosaccharides.D.polysaccharides.E.nucleic acids.Question 21 of 323.0/ 3.0 PointsWhat passes through the digestive tract as fiber or roughage?A.MaltoseB.GlucoseC.GlycogenD.StarchE.CelluloseQuestion 22 of 323.0/ 3.0 PointsWhich of the following is not one of the four classes of organic molecules found in cells?A.vitaminsB.lipidsC.proteinsD.carbohydratesE.nucleic acidsQuestion 23 of 320.0/ 3.0 PointsConsider the following experiment: A 200 MWCO membrane is in place 10 mM glucose is placed in the left beaker and 9mM albumin is placed in the right beaker. Which of the following is true?A.The net movement of water is toward the glucose.B.Albumin and glucose diffuse through the membrane.C.The net movement of water is away from the albumin.D.The net movement of water is toward the albumin.Question 24 of 323.0/ 3.0 PointsWhich of the following solutes would move the slowest?A.glucoseB.albuminC.ureaD.sodium ion (Na+)Question 25 of 320.0/ 3.0 PointsConsider the following experiment: A 100 MWCO membrane is in place 10 mM glucose is placed in the left beaker and 10 mM albumin is placed in the right beaker. Which of the following is true?A.The net movement of water is toward the albumin.B.Albumin and glucose diffuse through the membrane.C.The net movement of water is toward the glucose.D.There is no net movement of water or solutes across the membrane.Question 26 of 320.0/ 3.0 PointsWhich one is NOT an example of a passive transport mechanism?A.Active transportB.Facilitated diffusionC.OsmosisD.Simple diffusionQuestion 27 of 320.0/ 3.0 PointsIn the simulation albumin was able to diffuse through which membrane(s)?A.200 MWCO onlyB.100 MWCO and 200 MWCOC.50 MWCO 100 MWCO and 200 MWCOD.20 MWCO 50 MWCO 100 MWCO and 200 MWCOE.Albumin was unable to diffuse through any of the membranes.Question 28 of 320.0/ 3.0 PointsWhich of the following statements about osmosis is FALSE?A.Water moves toward the solution with the lowest concentration of solutes.B.It is passive.C.It is a type of diffusion.D.It is specific for the movement of water.Question 29 of 323.0/ 3.0 PointsIn the simulation sodium chloride was able to diffuse through which membrane(s)? (The molecular weight of sodium is 23 chlorine is 35)A.20 MWCO 50 MWCO 100 MWCO and 200 MWCOB.50 MWCO 100 MWCO and 200 MWCOC.100 MWCO and 200 MWCOD.200 MWCO onlyE. Sodium chloride would not pass through any of these membranes.Question 30 of 320.0/ 4.0 PointsBriefly describe what occurs when a red blood cell is placed in water (a hypotonic solution).Question 31 of 320.0/ 4.0 PointsBriefly explain how active cellular transport is different from passive cellular transport.