Final exam bio 203 - Study guides, Class notes & Summaries

Bio 203 Final Exam Complete Questions And Answers(2024 Latest Update)!! What is the reason that closely linked genes are typically inherited together? - ANSWER the likelihood of a crossover event between these two genes is low All female mammals have one active X chromosome per cell instead of two. What causes this? - ANSWER activation of the XIST gene on the X chromosome that will become the Barr body In his transformation experiments, what did Griffith observe? - ANSWER Mixing a heat-ki...

Drexel Bio 203 Final Exam Questions and correct answers | already graded a+ | verified answers

Drexel Bio 203 Final Exam Questions and Answers(100% Verified)

Bio 203 Final Exam Review| 115 Questions| AccuNerves are __________ of the nervous system. A. organs B. tissues C. organ systems D. organelles E. cells - ANSWER a. organs The term "nerve fiber" refers to a(n) __________. A. nerve cell B. organelle in nerve cells C. organ D. axon E. bundle of macromolecules in nerve cells - ANSWER d. axon What is the primary site on a neuron for receiving signals from other neurons? a. the axon terminals b. the axons c. the ax...

Final Exam: Bio 203 Questions & Solutions(SCORsusceptibility - ANSWER lack of resistance to a disease immunity - ANSWER ability to ward off disease innate immunity - ANSWER - defense against any pathogen - present at birth - always present, but does not involve memory response first line of defense - ANSWER - intact skin - mucous membranes and their secretions: line the GI, respiratory; secretes mucus that traps microbes - ciliary escalator - lacrimal apparatus: washes the eye - s...

Bio 203 Final Exam Review 115 Questions with Complete Solutions Nerves are __________ of the nervous system. A. organs B. tissues C. organ systems D. organelles E. cells - Correct Answers a. organs The term "nerve fiber" refers to a(n) __________. A. nerve cell B. organelle in nerve cells C. organ D. axon E. bundle of macromolecules in nerve cells - Correct Answers d. axon What is the primary site on a neuron for receiving signals from other neurons? a. the ax...

bio 203 final exam Questions & Answers(GRADED A+) RNA polymerase - ANSWER pries the two strands of DNA apart and joins the RNA nucleotides as they base-pair along the DNA templates promoter - ANSWER DNA sequence where RNA polymerase attaches and initiates transcription Synthesis of RNA transcript - ANSWER initiation; elongation; termination synthesis of RNA transcript initiation - ANSWER after RNA polymerase binds to the promoter, the DNA strands unwind, and the polymerase initiates ...

BIO 203 final exam(2024 Latest Update)(Rated A+) List the 3 different fluid compartments of the body. - ANSWER Intracellular Fluid, Interstitial Fluid, Plasma What is the definition of homeostasis? - ANSWER The regulation of the body's internal environment in a narrow range Describe the difference between intrinsic and extrinsic regulation - ANSWER Intrinsic is local to the regulated area. Extrinsic is regulating an area from somewhere else usually the nervous or endocrine system. ...

BIO 203 FINAL EXAM REVIEW QuestionTrue - ANSWER Echinoderms are classified as gills bc they are evaginations of the body surface Evagination - ANSWER pushing out of the ectoderm True - ANSWER The external intercostal muscles participate in inspiration True - ANSWER The internal intercostal muscles participate in expiration Where does the external intercostal muscle originate - ANSWER Inferior surface of the proximal parts of the ribs Lower ribs on the superior and distal parts Fa...

BIO 203 Final Exam Study Guide Correct QuesThe primary action of a drug that dilates the veins and venules would be able to - ANSWER reduce preload According to Starling's Law of the Heart, the force of contraction of the myocardium increases with increased - ANSWER preload A coronary artery embolism is often cleared by injecting - ANSWER plasminogen activator Calcium channel blockers, beta-blockers, angiotensin-converting enzyme inhibitors and angiotensin receptor blockers are all use...