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addition rule - possible outcomes can't occur simultaneously; either, or allele - different form of a gene alternative splicing - transcript can be spliced in different ways to get different proteins bicoid mutation - larvae missing segments of anterior end chromatin - a complex of DNA, RNA, and proteins that give chromosomes structure chromatin remodeling - nucleosomes repositioned to expose different stretches of DNA clone - individual who carries exact copy of nuclear genome of another...

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6 páginas

Escrito en 2023/2024

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ACADEMICMATERIALS

Bios 251 Exam Script 2026 Full Questions And Correct Answers Already Passed

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20 páginas

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science - Answer the way of searching answers for unknowns Scientific Method Steps - Answer observation, hypothesis, prediction, experiment, theory a hypothesis must be: - Answer unbias and testable theory - Answer built upon many experiments of the hypothesis that is backed up by laws cell - Answer simplest self-replacing entity that exists as an independent unit of life unicellular examples - Answer bacteria, yeasts multicellular examples -...

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Ch. 11: Cell Division - Answer Ploidy - Answer -Designated as the letter "n" -Human's ploidy is 22 --> 23 pairs of chromosomes Diploid cells - Answer -2n -2 sets of genomes Examples of diploid cells - Answer -Somatic cells- body cells that make up tissues and organs -Zygotes-results from fusion of 2 haploid gametes Haploid cells - Answer -"n" -One set of genome Example of haploid cells - Answer Gametes Chromosomes - Ans...

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Myosin is a motor protein found attached to - Answer microfilaments It is a general assumption that identical twins share exactly the same DNA because they arise from the same fertilized egg. However, SNP studies show that they are only about 99% identical. Where might the 1% difference have come from? - Answer Mutations arise in somatic cells. Which of the following stages of respiration does not take place within the mitochondria? - Answer glycolysis What function do...

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6 páginas

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Covalent bonds - Answer Atoms that share electrons Polar covalent bonds - Answer Electrons that are not equally shared, causing one atom to have a higher electronegativity than the other Electronegativity - Answer The strength with which atoms attract electrons Hydrogen bonds - Answer The bond between a hydrogen atom of one molecule and an electronegative atom of another molecule (partial + attracts partial -) Ionic bonds - Answer One atom takes the elec...

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5 páginas

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meiosis - Answer parents gametes fuse to make new organism during sexual reproduction meiosis 1 outcome - Answer 2 unique daughter cells with 2 chromosomes in each, one big and one small meiosis 1 prophase - Answer long and short homologs from each parent find match synapsis - Answer in prophase 1, chromosomes crossover and exchange pieces chiasma - Answer chromosomes crossing over meiosis 1 anaphase - Answer chromosomes are pulled over but chro...

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7 páginas

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Questions that lead to further scientific inquiry are often inspired by: A:observations. B:collaborations and discussions with colleagues. C:experiments. D:the scientific literature. E:All of the answer options are correct. - Answer E: All of the answers are correct Observations, experiments, collaborations, discussions, and research papers can all lead to questions, so all of the answer options are correct. You are carrying out an experiment that involves growing bacteri...

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metabolism - Answer set of chemical reactions that convert molecules into other molecules and transfer energy in living organisms catabolism - Answer the breaking down of energy anabolism - Answer the building up of energy 1st law of thermodynamics - Answer energy is always conserved 2nd law of thermodynamics - Answer disorder (entropy) in the universe tends to increase Gibbs Free Energy (G) - Answer energy available to do work (usable energy fo...

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6 páginas

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equal segregation - Answer alleles segregate to gametes randomly and equally test cross - Answer breeding that can be used to determine an organism's genotype independent assortment - Answer alleles of one gene segregate to gametes independently of alleles of the other gene incomplete dominance - Answer heterozygote has a phenotype that is intermediate between two homozygotes epistasis - Answer one gene product affects function of another penetranc...

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8 páginas

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One hope of personalized medicine is that: physicians will be able to use an individual's genotype to avoid harmful side-effects of some medications. physicians will be able to use an individual's lifestyle factors to moderate harmful side-effects of medication. it will lead to medications with fewer side-effects. individuals will receive preventative medications for diseases they have not yet contracted. physicians will be able to use an individual's lifestyle factors to identi...

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7 páginas

Escrito en 2025/2026

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In fruit flies, what kind of eye color would be expressed in male progeny from a white-eyed female and a red-eyed male? Half of the male progeny would have red eyes and half of the male progeny would have white eyes (1:1 ratio of eye color in males). All males would have red eyes. All males would have white eyes. - Answer All males would have white eyes Inheritance due to a rare X-linked dominant mutation can be distinguished from inheritance due to a rare autosomal dominant mutat...

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6 páginas

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While doing a pedigree analysis of a royal family from the ancient Mayan empire, you notice that a prince with the genetic disease married a person from outside the royal family without a history of the disease in her family. Of their six children, two have the disease and four are not affected. The prince's mother and father also had this disease. If this disease is controlled by a single gene, then the MOST likely explanation for disease in the children would be that the disease is: dom...

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12 páginas

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You run a PCR reaction for five cycles starting with a single DNA duplex. Theoretically, how many copies of your sequence would you now have? 8 24 12 16 32 - Answer 32 A new nucleotide can only be added to the _____ end of a growing DNA strand. DNA therefore always grows in the _____ direction. 5′; 5′ to 3′ 3′; 5′ to 3′ 5′; 3′ to 5′ 3′; 3′ to 5′ - Answer 3'; 5' to 3' If you were able to find a drug that could inhibit the reactivat...

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14 páginas

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Many mutations in receptor kinases that lead to cancer allow the receptor to dimerize and become activated, even in the absence of signaling molecules. An example is a mutant form of the EGF receptor kinase called Her2/neu. An antibody that prevents dimerization of Her2/neu receptor kinases is being tested for its effectiveness in preventing cancer. At which stage does this drug work? It prevents the signaling cell from producing the signal. It prevents the termination of the signal. It pr...

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amino acid made up of - Answer alpha carbon, amino group, carboxyl group, side chain, R group peptide bond - Answer covalent bond joining amino acids amino end - Answer The end of a polypeptide chain that has a free amino group. carboxyl end - Answer The end of a polypeptide chain that has a free carboxyl group. Polypeptide - Answer A polymer (chain) of many amino acids linked together by peptide bonds. alpha helix - Answer A spiral shape consti...

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23 páginas

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The structural diversity of carbon-based molecules is based upon which of the following properties a) the ability of carbon to form four covalent bonds b) the ability of those bonds to rotate freely c) None of these choices is correct. d) All of these choices are correct. e) the orientation of those bonds in the form of a tetrahedron - Answer the orientation of those bonds in the form of a tetrahedron Isomers are defined as: a) atoms with the same number of protons but different...

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16 páginas

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Bios 1700 Bundled Exams Questions With Verified Answers 100% Pass.

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7 artículos

Thebright

Bios 1700 Chapter 3 Questions And Answers Graded A+ 2025/2026

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Bios 1700 Exam 5 Questions And Answers Graded A+ 2025/2026

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Bios 1700 Exam 4 Questions And Answers Graded A+ 2025/2026

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Bios 1700 Exam 3 Questions And Answers Graded A+ 2025/2026

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