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General Biology 1305, Exam 1 Study Guide Questions & Answers
Define a covalent bond - ANSWERSThe sharing of electron pairs 
 
The molecular structure of lipids is unique because - ANSWERSTheir structure is variable since they are not synthesized from a single recognizable molecule 
 
What is the main function of phospholipids? - ANSWERSMajor components of biological membranes 
 
What is translation? - ANSWERSThe synthesis of proteins using an RNA template 
 
What defines a protein tertiary structure? - ANSWERSThe polypeptide chain is bent at specific site...
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Define a covalent bond - ANSWERSThe sharing of electron pairs 
 
The molecular structure of lipids is unique because - ANSWERSTheir structure is variable since they are not synthesized from a single recognizable molecule 
 
What is the main function of phospholipids? - ANSWERSMajor components of biological membranes 
 
What is translation? - ANSWERSThe synthesis of proteins using an RNA template 
 
What defines a protein tertiary structure? - ANSWERSThe polypeptide chain is bent at specific site...
Biology 1305 Chapter 1 Terms Questions & Answers
Evolution - ANSWERSProcess of change that has transformed life on Earth to the diversity of organisms living today. 
 
Biology - ANSWERSScientific study of life. 
 
Ecosystems - ANSWERSLiving and nonliving components interact. 
 
Communities - ANSWERSLiving organisms and species. 
 
Species - ANSWERSForms of life. 
 
Populations - ANSWERSIndividuals of species. Ex: Sugar maple trees, white-tailed deer 
 
Organisms - ANSWERSIndividual living things. 
 
Tissues - ANSWERSGroup of cells that work to...
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Evolution - ANSWERSProcess of change that has transformed life on Earth to the diversity of organisms living today. 
 
Biology - ANSWERSScientific study of life. 
 
Ecosystems - ANSWERSLiving and nonliving components interact. 
 
Communities - ANSWERSLiving organisms and species. 
 
Species - ANSWERSForms of life. 
 
Populations - ANSWERSIndividuals of species. Ex: Sugar maple trees, white-tailed deer 
 
Organisms - ANSWERSIndividual living things. 
 
Tissues - ANSWERSGroup of cells that work to...
Biology 1305 Final Question & Answers
What scientist were credited for their double-helix model for the structure of DNA, and that DNA was the substance of inheritance? - ANSWERSWatson and Crick 
 
Adenine and Guanine are - ANSWERSpurines 
 
Thymine cytosine and uracil are - ANSWERSpyrimidines 
 
Adenine pairs to ________ in DNA - ANSWERSThymine 
 
Adenine pairs to ________ in RNA - ANSWERSUracil 
 
Guanine pairs to ________. - ANSWERSCytosine 
 
Chargaff's rule states - ANSWERSin any organism the amount of A = G, and the amount ...
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What scientist were credited for their double-helix model for the structure of DNA, and that DNA was the substance of inheritance? - ANSWERSWatson and Crick 
 
Adenine and Guanine are - ANSWERSpurines 
 
Thymine cytosine and uracil are - ANSWERSpyrimidines 
 
Adenine pairs to ________ in DNA - ANSWERSThymine 
 
Adenine pairs to ________ in RNA - ANSWERSUracil 
 
Guanine pairs to ________. - ANSWERSCytosine 
 
Chargaff's rule states - ANSWERSin any organism the amount of A = G, and the amount ...
Biology 1305 chapter 1-7 Questions & Answers
Evolution - ANSWERSChange over time 
 
Cell - ANSWERSsmallest unit of life 
 
genetic information - ANSWERSBasis of all life 
 
Themes of Biology - ANSWERSevolution, information, energy and matter, interactions, organization 
 
Properties of Life - ANSWERSorder, adaptation, regulation, growth and development, response to the environment, reproduction 
 
systems biology - ANSWERSAnalyzing interactions among parts of a system 
 
Reductionism - ANSWERSreducing complex systems to simple components 
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Evolution - ANSWERSChange over time 
 
Cell - ANSWERSsmallest unit of life 
 
genetic information - ANSWERSBasis of all life 
 
Themes of Biology - ANSWERSevolution, information, energy and matter, interactions, organization 
 
Properties of Life - ANSWERSorder, adaptation, regulation, growth and development, response to the environment, reproduction 
 
systems biology - ANSWERSAnalyzing interactions among parts of a system 
 
Reductionism - ANSWERSreducing complex systems to simple components 
...
Biology 1305 Chapter 2 Questions & Answers
Matter - ANSWERSAnything that has mass and takes up space 
 
Element - ANSWERSA substance that cannot be broken down into simpler substances 
 
Compound - ANSWERSA substance consisting of two or more elements in a fixed ratio. 
 
essential elements - ANSWERSA chemical element required for an organism to survive, grow, and reproduce. About 20-25% of the 92 natural elements are required for life. 
 
trace elements - ANSWERSessential elements that are required by an organism in only minute quantiti...
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Matter - ANSWERSAnything that has mass and takes up space 
 
Element - ANSWERSA substance that cannot be broken down into simpler substances 
 
Compound - ANSWERSA substance consisting of two or more elements in a fixed ratio. 
 
essential elements - ANSWERSA chemical element required for an organism to survive, grow, and reproduce. About 20-25% of the 92 natural elements are required for life. 
 
trace elements - ANSWERSessential elements that are required by an organism in only minute quantiti...
BIO 1305 Exam 4 Questions & Answers
What is a chromatid? - ANSWERSA replicate chromosome 
 
Which term describes centrioles beginning to move apart in animal cells? - ANSWERSProphase 
 
What is the G0 phase? - ANSWERSThe cell is not replicating 
 
Where do the microtubules of the spindle originate during mitosis in both plant and animal cells? - ANSWERSCentrosome 
 
What is the role of the centrosome - ANSWERSForms the microtubules used in the mitotic spindle 
 
If a cell has 8 chromosomes at metaphase of mitosis, how many chromos...
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What is a chromatid? - ANSWERSA replicate chromosome 
 
Which term describes centrioles beginning to move apart in animal cells? - ANSWERSProphase 
 
What is the G0 phase? - ANSWERSThe cell is not replicating 
 
Where do the microtubules of the spindle originate during mitosis in both plant and animal cells? - ANSWERSCentrosome 
 
What is the role of the centrosome - ANSWERSForms the microtubules used in the mitotic spindle 
 
If a cell has 8 chromosomes at metaphase of mitosis, how many chromos...
BIOLOGY 1305 FINAL Questions & Answers
Which statement about a dihybrid cross is true? - ANSWERSIt is a cross between identical double heterozygotes 
 
When a dihybrid black, normal winged fly is crossed with a double recessive gray, vestigial winged fly, the frequency with which black, vestigial winged and gray, normal winged flies are seen in the progeny is called ______ frequency. - ANSWERSRecombination 
 
Epistasis refers to - ANSWERSthe expression of one gene masking the expression of another 
 
The major drawback of asexual rep...
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Which statement about a dihybrid cross is true? - ANSWERSIt is a cross between identical double heterozygotes 
 
When a dihybrid black, normal winged fly is crossed with a double recessive gray, vestigial winged fly, the frequency with which black, vestigial winged and gray, normal winged flies are seen in the progeny is called ______ frequency. - ANSWERSRecombination 
 
Epistasis refers to - ANSWERSthe expression of one gene masking the expression of another 
 
The major drawback of asexual rep...
Bio 1305 Final Exam Review Questions & Answers
Which of the following levels of biological organization is comprised of the living organism and non-living components within a large area of the Earth? - ANSWERSEcosystem 
 
Which of the following inferences is crucial to the mechanism of natural selection? - ANSWERSIndividuals in a population of any species vary in heritable traits, Individuals with heritable traits best suited to the local environment will generally produce a disproportionate number of fertile offspring and a population of an...
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Which of the following levels of biological organization is comprised of the living organism and non-living components within a large area of the Earth? - ANSWERSEcosystem 
 
Which of the following inferences is crucial to the mechanism of natural selection? - ANSWERSIndividuals in a population of any species vary in heritable traits, Individuals with heritable traits best suited to the local environment will generally produce a disproportionate number of fertile offspring and a population of an...
BIOLOGY 1305 Practice Test 1 Questions & Answers
Neutron - ANSWERSA subatomic particle with neutral charge ( ZERO Charge) 
 
Proton - ANSWERSA subatomic particle with positive charge (+1 Charge) 
 
Electron - ANSWERSA subatomic particle with negative charge (-1 Charge) 
 
Atomic Number - ANSWERSNumber of protons (IDENTIFIES ATOM) 
 
Molecule - ANSWERSA stable association of atoms 
 
The attractive force that links two atoms together is called: - ANSWERSChemical bond 
 
Define an ionic bond: - ANSWERSAttraction of opposite charged ions, (STRONG...
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Neutron - ANSWERSA subatomic particle with neutral charge ( ZERO Charge) 
 
Proton - ANSWERSA subatomic particle with positive charge (+1 Charge) 
 
Electron - ANSWERSA subatomic particle with negative charge (-1 Charge) 
 
Atomic Number - ANSWERSNumber of protons (IDENTIFIES ATOM) 
 
Molecule - ANSWERSA stable association of atoms 
 
The attractive force that links two atoms together is called: - ANSWERSChemical bond 
 
Define an ionic bond: - ANSWERSAttraction of opposite charged ions, (STRONG...
BIO 1305 (Baylor--Samples) Exam 1 Terms Questions & Answers
cohesion - ANSWERSallows water to travel against gravity as it moves from a plant's roots to the leaf (aka transpiration) 
 
adhesion - ANSWERSthe interaction between water and another material; can be stronger than cohesion 
 
surface tension - ANSWERSthe force necessary to stretch or break the surface of a liquid 
 
heat - ANSWERSthe total quantity of kinetic energy due to molecular motion 
 
temperature - ANSWERSthe measure of the intensity of heat due to the average kinetic energy of mole...
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cohesion - ANSWERSallows water to travel against gravity as it moves from a plant's roots to the leaf (aka transpiration) 
 
adhesion - ANSWERSthe interaction between water and another material; can be stronger than cohesion 
 
surface tension - ANSWERSthe force necessary to stretch or break the surface of a liquid 
 
heat - ANSWERSthe total quantity of kinetic energy due to molecular motion 
 
temperature - ANSWERSthe measure of the intensity of heat due to the average kinetic energy of mole...