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- 1. Multiple ChoiceGroup in an experiment that is exposed to the same conditions as the experimental group except for one independent variable.Control GroupDependent GroupIndependent GroupIDK
- 2. Multiple ChoiceVariable that is observed and that changed in response to the other variable.IndependentDependentControlManipulated
- 3. Multiple ChoicePossible explanation for a set of observations or possible answer to a scientific question.VariableTheoryInferenceHypothesis
- 4. Multiple ChoiceThe combination of chemical reactions through which an organism builds up or breaks down materials.ScienceMetabolismStimulusObservation
- 5. Multiple ChoiceProcess of noticing and describing events or processes in a careful, orderly way.InferenceDataHypothesisObservation
- 6. Multiple ChoiceFactor in a controlled experiment that is deliberately changed; also called the manipulated variable.dependent variableindependent variablecontrolresponding variable
- 7. Multiple ChoiceThe study of life.ChemistryPhysicsBotanyBiology
- 8. Multiple ChoiceSignal to which an organism responds.StimulusInferenceBiasMetabolism
- 9. Multiple ChoiceProcess involving a single parent that results in offspring that are genetically identical to the parent.Sexual ReproductionAsexual ReproductionMeiosisFertilization
- 10. Multiple ChoiceThe work of scientists usually begins withtesting a hypothesis.careful observations.creating experiments.drawing conclusions.
- 11. Multiple ChoiceA student sees a bee on a flower. The student wonders how the bee finds flowers. The student is displaying the scientific attitude ofcreativityopen-mindednessskepticismcuriosity
- 12. Multiple ChoiceThe basic unit of length in the metric system ismetergramliteryard
- 13. Multiple ChoiceWhat does a reviewer do during peer-review?focus on mistakes in spellingchange data to support resultscheck for mistakes and biasrepeat the experiments in the article.
- 14. Multiple ChoiceDuring a controlled experiment, a scientists isolates and testsa conclusiona single variablemultiple variablesa control group
- 15. Multiple ChoiceWho reviews articles for peer-reviewed journals?friends of the scientists who wrote the article.anonymous and independent expertsthe scientists who did the experimentpeople who paid for the experiments
- 16. Multiple ChoiceBiologists who work in the fields of genomics and molecular biology studythe biosphereDNAtreesdiseases
- 17. Multiple ChoiceChemical bond formed when one or more electrons are transferred from one atom to another.PeptideIonicCovalentHydrogen
- 18. Multiple ChoiceSlight attraction that develops between oppositely charged regions of nearby molecules.Van Der Waals ForcesCovalent BondIonic BondHydrogen Bond
- 19. Multiple ChoicePure Substance that consists entirely of one type of atom.AtomCellIonElement
- 20. Multiple ChoiceType of bond between atoms in which the electrons are shared.CovalentIonicHydrogenPeptide
- 21. Multiple ChoiceOne of several forms of a single element, which contains the same number of protons but different number of neutrons.AtomNeutronIsotopeMolecule
- 22. Multiple ChoiceNegatively charged particle located in the space surrounding the nucleusNeutronProtonElectronCell
- 23. Multiple ChoiceAtom that has a positive or negative charge.IonNeutronProtonElectron
- 24. Multiple ChoiceMonomer of a protein.sugaramino acidnucleotidefat
- 25. Multiple ChoiceMacromolecule that controls cellular functions, aids in cellular transport and fights disease.CarbohydratesFatsProteinLipids
- 26. Multiple ChoiceGeneric term for a molecule composed of many monomers.PolymerMoleculeCompoundCell
- 27. Multiple ChoiceCompound that is THE major source of energy for the body.ProteinLipidsNucleic AcidsCarbohydrates
- 28. Multiple ChoiceMixture of water and nondissolved material...such as blood.Suspensionsolutionmixtureacid
- 29. Multiple ChoiceForce of attraction between different kinds of moleculesadhesioncohesionhydrogen bondpeptide bond
- 30. Multiple ChoiceCompound that produces hydroxide ions in solution.acidbasenucleic acidelement
- 31. Multiple ChoiceSubstance that is dissolved in a solution.solutesolutionbasesolvent
- 32. Multiple ChoiceProtein catalyst that speeds up the rate of specific biological reactions.ReactantProductEnzymeSubstrate
- 33. Multiple ChoiceReactant of an enzyme-catalyzed reaction.SubstrateProductEnzymeMolecule
- 34. Multiple ChoiceStarches and Sugars are examples of what group of organic compounds?Nucleic AcidsCarbohydratesLipidsProteins
- 35. Multiple ChoiceWhich of the following is a function of nucleic acis in living things?Store and transmit genetic information.Store energy.Transport substances into cells.Speed up the rate of chemical reactions.
- 36. Multiple ChoiceWhich of the following is a function of nucleic acids in living things?Store and transmit genetic information.Store energy.Transport substances into cells.Speed up the rate of chemical reactions.
- 37. Multiple ChoiceWhy is carbon so special compared to other elements?Carbon atoms can bond ton one another and form a lot of different structures.Carbon atoms can form quadruple bonds.Only carbon atoms can form covalent bonds with oxygen and hydrogen.Only carbon atoms can be dissolved in water solutions and suspensions.
- 38. Multiple ChoiceWhen hydrogen and oxygen combine to form water, water isa producta reactantan enzymea catalyst
- 39. Multiple ChoiceWhat type of ion forms when an atom gains electrons?positivenegativeneutralradioactive
- 40. Multiple ChoiceIn a water molecule, shared electrons spend more time around the oxygen atom than the hydrogen atoms. As a result, the oxygen atom isslightly positiveslightly negativevery positivevery negative
- 41. Multiple ChoiceIf an atom contains 3 protons, 4 neutrons, and 3 electrons, its mass number is34711
- 42. Multiple ChoiceIf an atom contains 11 protons and 12 neutrons, its atomic number is1111223
- 43. Multiple ChoiceLooking at a cell under a microscope, yo note that it is a prokaryote. How do you know?The cell lacks a cytoplasm.The cell lacks a cell membrane.The cell lacks a nucleus.The cell lacks genetic material.
- 44. Multiple ChoiceWhich of the following is NOT found in the nucleus?MitochondriaDNAChromatinNucleolus
- 45. Multiple ChoiceWhich of the following is NOT a principle of the cell theory?Cells are the basic units of life.All living things are made of cells.Very few cells are able to reproduce.All cells are produced from existing cells.
- 46. Multiple ChoiceWhich structure makes proteins using the coded instructions that come from the nucleus?Golgi ApparatusEndoplasmic ReticulumMitochondriaRibosome
- 47. Multiple ChoiceWhat organelle would you expect to find in plant cells but not animal cells?MitochondriaChloroplastRibosomesSmooth Endoplasmic Reticulum
- 48. Multiple ChoiceTerm meaning that some substances can pass across and other cannot.OsmosisSelectively PermeableFacilitate DiffusionIsotonic
- 49. Multiple ChoiceDiffusion of water through a selectively permeable membrane.OsmosisFacilitated DiffusionActive TransportAqua Transport
- 50. Multiple ChoiceWhen a solution contains less solute compared to another.HypotonicActiveHypertonicPassive
- 51. Multiple ChoicePlace for a signaling molecule to bind during cellular communication.ReceptorEnzymeSubstrateOrgan
- 52. Multiple ChoiceAn animal cell that is surrounded by fresh water will burst because the osmotic pressure causeswater to move into the cell.water to move out of the cell.solutes to move into the cell.it to.
- 53. Multiple ChoiceWhich of the following structures serves as the cell's boundary from its environment?MitochondriaCell MembraneChannel ProteinNuclear Envelope
- 54. Multiple ChoiceWhich of the following is an autotroph?deertreemushroombeetle
- 55. Multiple ChoiceThe principal chemical compound that living things use to store energy isATPDNARNAADP
- 56. Multiple ChoiceWhere do the light-dependent reactions take place?in the stroma of chloroplastwithin the mitochondria membraneswithin the thylakoid membranesin the outer membrane of the chloroplasts
- 57. Multiple ChoiceWhich of the following is the BEST summary of photosynthesis?Process that uses the energy of sunlight to convert water and carbon dioxide into high-energy sugars and oxygen.Process in which plants use energy.Process that makes energy from water and carbon dioxide.Process that keeps plants alive.
- 58. Multiple ChoiceEnergy is released from ATP whena phosphate group is added.adenine bonds to ribose.ATP is exposed to sunlight.a phosphate group is removed.
- 59. Multiple ChoiceWhat organelle is used for cellular respiration in eukaryotes?MitochondriaChloroplastRibosomesGolgi Apparatus
- 60. Multiple ChoiceHow do organisms get the energy they need?By burning food and releasing their energy as heat.By breathing oxygen into the lungs and combining it with carbon dioxide.By breaking down food molecules gradually and capturing their chemical energy.By using the sun's energy to break down food molecules and form chemicals.
- 61. Multiple ChoiceWhich of the following is the correct sequence of events in cellular respiration?Glycolysis, Fermentation, Krebs cycleKrebs cycle, Electron Transport chain, GlycolysisGlycolysis, Krebs cycle, Electron Transport ChainKrebs cycle, Glycolysis, Electron Transport Chain
- 62. Multiple ChoiceWhat is the starting molecule for glycolysis?GlucosePyruvic AcidADPOxygen
- 63. Multiple ChoiceThe Krebs Cycle producesCarbon DioxideWaterOxygenGlucose
- 64. Multiple ChoiceAll of the following are sources of energy for humans during excercise EXCEPTStored ATPAlcoholic FermentationLactic Acid FermentationCellular Respiration
- 65. Multiple ChoiceThe products of photosynthesis are theproducts of cellular respirationreactants of cellular respirationproducts of glycolysisreactants of fermentation
- 66. Multiple ChoiceIn eukaryotes, electron transport occurs in theinner mitochondrial membranenucleuscell membranecytoplasm
- 67. Multiple ChoiceGlycolysis requiresATPOxygenSunlightNADP+
- 68. Multiple ChoiceLactic acid fermentation occurs inbread doughmuscle cellsan environment containing oxygenchloroplast
- 69. Multiple ChoiceHow many ATP molecules are made per glucose molecule during the Krebs Cycle?241232
- 70. Multiple ChoiceThe electron transport chain uses high-energy electrons from the Krebs Cycle tobreak glucose in halfconvert ADP to ATPproduce high-energy sugarsproduce oxygen gas
- 71. Multiple ChoiceWhich of the following pass high-energy electrons to the electron transport chain?NADH and FADH2ATP and ADPCitric AcidAcetyl-CoA
- 72. Multiple ChoiceWhich of the following happens when a cell divides?The cell's volume increases.It becomes more difficult for the cell to get rid of wastes.Each daughter cell receives its own copy of the parent cell's DNA.It becomes more difficult for the cell to get enough oxgen and nutrients
- 73. Multiple ChoiceA multicellular organism begins life as a single cell - a fertilized egg with a complete set of chromosoems. The cell divides to become two cells, then four cells, eight cells and so on. Which of the following statements best describes what happens during this process.Chromosomes are duplicated before cell division so that each new daughter cell has a complete set.Chromosomes are divided evenly during cell division so that each new daughter cell has an equal share of the original setChromosomes are stored in the original cell to direct the division of all daughter cells, which do not have their own chromosomesChromosomes are randomly distributed during cell division so that some new cells have partial sets while others have complete sets.
- 74. Multiple ChoiceDuring which phase of the cell cycle does mitosis happen?G1G2MS
- 75. Multiple ChoiceCancer is a disorder in which some cells have lost the ability to control theirsizespindle fibersgrowth ratesurface area
- 76. Multiple ChoiceWhy are stem cells important?They have specialized DNA.They are incapable of becoming cancer cells.They have the potential to undergo cell division.They have the potential to develop into other cell types.
- 77. Multiple ChoiceWhich of the following is a possible future benefit of stem cell research?developing a vaccine for cancer.reversing damage from a heart attack.generating embryos from nonliving tissue.increasing a persons intelligence quotient
- 78. Multiple ChoiceProteins that regulate the cell cycle.growth factorstem cellscyclinsenzymes
- 79. Multiple ChoicePeriod of the cell cycle between divisions.ProphaseInterphaseMetaphaseCytokinesis
- 80. Multiple ChoiceCells that are able to develop into any type of cell in the body.MultipotentPluripotentPotentTotipotent
- 81. Multiple ChoiceProgrammed cell death.TotipotentApoptosisCytokinesisCyclin
- 82. Multiple ChoiceType of asexual reproduction in which an organism replicated its DNA and divides in half, producing two identical daughter cells. Occurs in bacteria.MitosisMeiosisBinary FissionCell Division
- 83. Multiple ChoiceSister chromatids are attached to each other at an area called the:centromerechromosomespindlecentriole
- 84. Multiple Choice15If a cell has 15 chromosomes, how many chromosomes will each of its daughter cells have after mitosis and cytokinesis?1512307
- 85. Multiple ChoiceNucleotide triplet found on mRNA that codes for the amino acid sequence.codonanticodontRNArRNA
- 86. Multiple ChoiceDNA at the tips of chromosomes.PolypeptideDNA polymeraseRNA polymersaseTelomere
- 87. Multiple ChoiceWhat scientist made x-ray diffraction photos of DNA?FranklinHershey-ChaseGriffithWatson
- 88. Multiple ChoiceWho discovered the shape of DNA to be a double helix?AveryGriffithFranklin and WilkinsWatson and Crick
- 89. Multiple ChoiceIn eukaryotes, DNAis located in the nucleusis located in the ribosomes.is circularfloats freely in the cytoplasm
- 90. Multiple ChoiceDNA replication results in two DNA molecules,each with two new strands.each with one new strand and one original strand.each with two original strandsone with two new strands and the other with two original strands
- 91. Multiple ChoiceWhich is the correct sequence of the transfer of information in most organisms?protein to DNA to RNADNA to protein to RNADNA to RNA to proteinRNA to protein to DNA
- 92. Multiple ChoiceWhat is produced during transcription?mRNADNAProteinstRNA
- 93. Multiple ChoiceWhat happens during translation?mRNA is made from a DNA code.The cell uses a mRNA code to make proteinsTransfer RNA is made from a mRNA code.Copies of DNA molecules are made.
- 94. Multiple ChoiceEnzyme required for transcription.RNA InterfaceRNA polymeraseDNA polymeraseTelomerase
- 95. Multiple ChoiceCondition in which an organism has extra sets of chromosomes.PolyploidyPoiont MutationSickle Cell ANemiaDown Syndrome
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