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BSC 101 Exam #2 Questions with correct answers Macro-evolution - The descent of different species from a common ancestor over many generations. Examines changes in allele frequencies within a species. Biological fitness - The degree to which an individual can reproduce and have its genes represented in the next generation. When can a mutation happen? - If DNA fails to copy correctly and environmental factors (mutagens) can as well. What are the only mutations that matter to evoluti...

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10 pages

Written in 2024/2025

Grade A+

NursingAcademy

ISU BSC 101 EXAM 1 Questions with correct answers Scientific method - method of research with defined steps that include experiments and observation Hypothesis - suggested explanation of an event that is testable Scientific theory - accepted, tested, and confirmed explanation for a set of observations/phenomena. Foundation of scientific knowledge Scientific laws - expressed in math formulas, describe how elements of nature will behave in certain conditions Inductive reasoning - f...

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12 pages

Written in 2024/2025

Grade A+

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bsc 101 final Exam Questions with correct answers Explain why the scientific method is a myth. - oversimplified, implies you only need one experiment, science is not linear, implies science is independent, takes out the creativity and imagination, ignores technology and society. Explain how testing ideas works. (scientific method) - running multiple different tests and interpreting the data with hypotheses that can be proven right or wrong, coming up with new hypotheses, inductive an...

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8 pages

Written in 2024/2025

Grade A+

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BSC 101 Exam 1 Questions with correct answers Scientific method myth - 1. Observe 2. Question 3. Experiment 4. Evaluate hypothesis 5. Draw conclusions Why is the scientific method a myth - - it is a myth because it is over simplified - it implies one experiment can answer a reseasrch question - science is not linear - it implies science is an independent effort but really its a group effort - where is the creativity, intution, serendipity, and imaginaition - ignores technology and so...

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13 pages

Written in 2024/2025

Grade A+

NursingAcademy

ISU-BSC101 Exam 2Questions with correct answers The difference between RNA and DNA - DNA has T RNA has U Transcription - DNA forming into RNA Translation - RNA changing into protein 5 types of biotechnology - 1. DNA extraction 2.Gel electrophoresis 3.Polymerase chain reaction ular cloning ductive cloning DNA extraction - extracting DNA ex: strawberry lab Gel electrophoresis - separates DNA strands based on length ex:DNA at crime scene vs. victim Polymerase chain react...

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5 pages

Written in 2024/2025

Grade A+

NursingAcademy

BSC 101 Unit 3 exam Questions with correct answers infection - Contamination or invasion of body tissue by pathogenic organisms; the invasion and reproduction of microorganisms disease - An abnormal state in which the body is not functioning normally; the suite of symptoms caused by an infection. Virus - A tiny, nonliving particle that invades and then reproduces inside a living cell. Acellular. Uses host cell to reproduce, cannot reproduce on its own. All have a nucleic acid with DN...

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19 pages

Written in 2024/2025

Grade A+

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BSC 101 Unit 3 exam 2Questions with correct answers Are viruses alive? - No Structure of a virus particle - -Nucleic acid -proteinaceous capsid How does a virus infect a cell? - The virus attaches to a specific protein on the host cell's membrane and injects its nucleic acid inside the cell. Why are viruses not alive? - -no organelles -cannot make proteins -cannot reproduce on their own The 5 types of innate immunity - -skin, hair, c

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16 pages

Written in 2024/2025

Grade A+

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BSC 101 exam 2 Questions with correct answers Describe DNA structure - Double stranded helix In a sequence where C-G and A-T which pair up because of hydrogen bonds Explain "the central dogma" - DNA-RNA-PROTEIN. Transcription is the copying of DNA to code to RNA one nucleotide at a time so it is complementary to the DNA. Translation is when RNA gets translated into protein (every 3 ran bases codes for an amino acid) Implications of genetic code being universal - All living orga...

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7 pages

Written in 2024/2025

Grade A+

NursingAcademy

BSC 101 Exam 1Exam Questions with correct answers What is the order of the scientific method myth - 1. Observe 2. Question (prediction & hypothesis) 3. Experiment (independent variable, dependent variable, control, data) 4. Evaluate hypothesis 5. Draw conclusions Good and bad about the scientific method myth - good- scientists test ideas with evidence bad- oversimplified, implies one experiment can answer a research question, not linear, implies science is an independent effort, ...

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10 pages

Written in 2024/2025

Grade A+

NursingAcademy

BSC 101 Exam 1Exam Questions with correct answers What is the order of the scientific method myth - 1. Observe 2. Question (prediction & hypothesis) 3. Experiment (independent variable, dependent variable, control, data) 4. Evaluate hypothesis 5. Draw conclusions Good and bad about the scientific method myth - good- scientists test ideas with evidence bad- oversimplified, implies one experiment can answer a research question, not linear, implies science is an independent effort, ...

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10 pages

Written in 2024/2025

Grade A+

NursingAcademy

BSC 101 Exam 2 Questions with correct answers Describe DNA Structure. - Two strands of DNA forms a double helix . What pairs with Adenine? - Thymine What Pairs with Cytosine? - Guanine What is the Central Dogma - The transfer of DNA to RNA to Protein Transcription - Copying of DNA to RNA Translation - RNA to Protein Codon - 3 letter sequence tag that directs where to stop and start translating Why is the genetic Code universal? - because all organisms that have been discovered on...

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5 pages

Written in 2024/2025

Grade A+

NursingAcademy

BSC 101 Exam Questions with correct answers Gene - A region of DNA that carries inherited attributes Allele - Type of gene Dominant Allele - Masks expression of other alleles Recessive Allele - Masked by dominant alleles Genotype - Organisms genetic makeup Homozygote Recessive (yy) - Two recessive alleles Homozygote Dominant (YY) - Two dominant alleles Heterozygote (Yy) - One dominant and one recessive allele

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9 pages

Written in 2024/2025

Grade A+

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BSC 101 Exam 2 Questions with correct answers Describe DNA structure - DNA forms a double stranded helix and adenine pairs with thymine, and cytosine pairs with guanine What pair forms hydrogen bonds and how many - thymine/adenine form 2 bonds guanine/cytosine form 3 bonds Explain "the central dogma" - DNA turning into RNA turning into Protein What is transcription - Copying of DNA code to RNA, one nucleotide at a time so it is complementary to the DNA What is translation ...

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16 pages

Written in 2024/2025

Grade A+

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BSC 101 Exam 2 Questions with correct answers DNA is all over our body and can be retrieved through anything with cells - True Complete the hydrogen bond: Adenine - Thymine Complete the hydrogen bond: Ctyosine - Guanine How many bonds does AT form? - 2 How many bonds does CG form? - 3 each hydrogen bond is weak until formed together on helix - True Copying of DNA code to RNA. Happens one nucleotide at a time so it is complementary to DNA - Transcription When does the DNA code g...

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14 pages

Written in 2024/2025

Grade A+

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BSC 101 Exam 1 Questions with correct answers What is the order of the scientific method myth - 1. Observe 2. Question (prediction & hypothesis) 3. Experiment (independent variable, dependent variable, control, data) 4. Evaluate hypothesis 5. Draw conclusions Good and bad about the scientific method myth - good- scientists test ideas with evidence bad- oversimplified, implies one experiment can answer a research question, not linear, implies science is an independent effort, no c...

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10 pages

Written in 2024/2025

Grade A+

NursingAcademy

ISU- BSC 101 final exam Questions with correct answers Why is the scientific method inadequate at describing what science is? - Oversimplified, implies one experiment can answer a research question, science is not linear, implies its an independent effort, ignore technology and society why is the claim that evolutionary theory is "just a theory" reflect an incorrect understanding of what science is? - Implies there's not evidence, but its supported non-contradicting data h...

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8 pages

Written in 2024/2025

Grade A+

NursingAcademy

BSC 101 Exam 2 Questions with correct answers Describe DNA structure - DNA forms a double stranded helix and adenine pairs with thymine, and cytosine pairs with guanine What pair forms hydrogen bonds and how many - thymine/adenine form 2 bonds guanine/cytosine form 3 bonds Explain "the central dogma" - DNA turning into RNA turning into Protein What is transcription - Copying of DNA code to RNA, one nucleotide at a time so it is complementary to the DNA What is translation ...

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16 pages

Written in 2024/2025

Grade A+

NursingAcademy

BSC 101 Exam Questions with correct answers Define genome and generally explain how it is organized among chromosomes in humans - Genome: all the genetic info for an individual 46 chromosomes in human genome (divided across 23 chromosomes) 3 types of genes relevant to cancer: Tumor suppressor genes Pronto-oncogenes DNA repair genes Explain the cell cycle under normal conditions, including what happens during each phase - The cell Cycle- series of events a cell goes through from...

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3 pages

Written in 2024/2025

Grade A+

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BSC 101: Exam 1 Questions with correct answers archaea - members of this domain are unicellular, have cells that lack membrane-bound organelles; no nucleus; and often live in harsh environments, such as deep sea vents and hot springs theory - an explanation for a broad set of natural phenomena that is backed by a substantial amount of evidence and is predictive explanation and discovery - component from "how science works"; represented when a scientist identified a new species ...

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8 pages

Written in 2024/2025

Grade A+

NursingAcademy

Summary questions for BSC 101 Exam Questions with correct answers explain why the scientific method is a myth - good- allows experimentation which could give us answers bad- oversimplified ignores creativity, serendipity, intuition, and imagination Implies that there is only one answer to a scientific question implies that science is independent work ignores society and new technology explain how science works - Exploration and Discovery- asking questions making observations ...

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8 pages

Written in 2024/2025

Grade A+

NursingAcademy