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BIO 212 Q&A EXAM COMPILATION BUNDLE

Transform your study routine and ace your course with our BIO 212 Q&A Bundle!

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Iowa State Bio 212 Exam 3 Questions and Correct Answers

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autocrine signals act on the same cell that secretes them paracrine signals diffuse to and affect nearby cells endocrine signals hormones carried between distant cells by blood or other bodily fluids neural signals diffuse a short distance between neurons neuroendocrine signals (neurohormones) h...

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Bio 212 Exam 1 Practice Questions with Correct Answers

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In a ______ feedback loop, effectors return internal conditions to their set-point values. negative The ability of an organism to maintain a constant internal environment even when the external environment fluctuates, is called _______. homeostasis If you start sweating on a hot day, which mechani...

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Bio 212 Midterm 2 Exam Questions with Correct Answers

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How do liver cells obtain iron from the blood transferrin; endocytosis How do endosomes/lysosomes in liver cells free iron from transferrin from acidity from the proton how do endosomes/lysosomes in liver cells export iron for cellular use iron/H+ co-transport Where is iron oxidase found in the l...

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Basic Biology and Chemistry- BIO 212 Review Questions and Correct Answers

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Know the basic units of the metric system and how to make conversions, such as ml--> L and L-->ml 1 L= 1,000ml 368ml --> 0.368L 368ml x 1 L _______ _____ 1 1,000ml what is an ion, and what is the difference between anions and cations? What are electrolytes? ions= is a charged atom or mol...

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Animals (Bio 212) Practice Questions with Correct Answers

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Tissues group of cells with a common structure and/or function collagen protein only in animals used for support instead of cell wall how do animals obtain nutrients heterotrophs but have to ingest food and digest it inside the body traits that make animals unique o Do not have cell walls, but ha...

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Bio 212 Exam 1 Possible Short Essay Questions with Correct Answers

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What is the function of the plasma membrane? - Physical isolation of cell contents from extracellular fluid - Sensitivity to changes in the extracellular fluid - Structural support of the cell - Regulation of exchange of materials between the cell and the extracellular fluid Explain why the unique ...

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BIO 212 Chapter 13 Review Questions and Answers

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Where are receptors located? in the peripheral nervous system What direction will the action potential of the sensory receptors travel? Afferent - towards the soma Sensory integration and the levels 1. Receptor level - sensory receptors 2. Circuit level - ascending pathways 3. Perceptual level -...

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Bio 212 Quiz 1- Questions and Correct Answers

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Basal metabolic rate (BMR)how much energy the animal uses just to maintain itself, ready to do work, but W/O doing work (MRU) Thermoneutral temperature rangePosition on graph: values of X-axis for the horizontal part of the curve Definition: the temperature range at which the animal can maintain b...

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Bio 212 Exam 4 Test Questions and Correct Answers

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True or False: In both animals and plants, most adult cells contain all the genes present in the embryo. A. True for animals but not plants B. False for both plants and animals C. True for both animals and plants D. True for plants but not animals C. True for both animals and plants During oogenes...

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Bio 212 Unit 2 Review Questions and Answers

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The manufacture of a large protein from hundreds of amino acids is likely to anabolic reactions require energy Which of the following statements about enzymes is FALSE? Enzymes provide activation energy for the reaction they catalyze. Why is ATP important for metabolic processes? The breakdown (us...

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Bio 212 ISU Exam 4 Practice Questions and 100% Correct Answers

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The amount of depolarization or hyperpolarization of the sensory receptor is ________ the intensity of the stimulus A) equal to B) greater than C) proportional to D) less than E) unaffected by proportional to Compare the response times of the two major systems of internal communication (Nervous an...

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Bio 212 Exam 4 Iowa State Test Questions and Correct Answers

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What is the action of acetylcholine and where is the site of action? Action Site: Excitatory Neuromuscular junction of some CNS pathways Acetylcholinesterase inhibitors, often used to treat neurobiological disorders: Increase synaptic Transmission Researchers find a compound that when applied to n...

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Bio 212 Exam 2 Study Questions and Correct Answers

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if a reaction is endergonic it must have energy to proceed glucose + fructose --> sucrose + H2O change in G of +29 must have added energy to occur -anabolic because it is bringing bonds together (ex: photosynthesis) when a glucose molecule loses a hydrogen atom in an oxidation/reduction reactio...

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Bio 212 Exam 3 Questions with 100% Correct Answers

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If a reaction is exergonic, then which of these statements is true? a) The products have lower Gibbs free energy than the reactants. b) The reaction always occurs quickly. c) Energy must be added for the reaction to proceed. d) The products have lower entropy (are more ordered) than the reactant...

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Bio 212 Week 4 Test Questions with Correct Answers

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The opening of depolarization gated potassium channels is a step in the closure of stomata through reducing pressure in guard cells You can count on a co transporter and not a channel being used when a cell is moving something _____ ______. against driving force Increasing the difference in concen...

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Bio 212 Exam 3 Practice Questions and Correct Answers

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benefits of gene regulation -Conserves energy -Expression in appropriate cell type -Expression in correct developmental stage eukaryotes & prokaryotes both control gene expression at: transcription, translation, and post-translation 3 additional gene expression controls in eukaryotes: chromatin re...

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Bio 212 Unit 1 Practice Test Questions and Answers

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Which organelle contains most of a cell's DNA?Nucleus Which organelle carries out cellular respiration?Mitochondria What is composed of DNA and protein?Chromatin Ribosomal subunits are manufactured by the...Nucleolus Where does protein synthesis occur?Ribosomes What manufactures cellular membr...

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Bio 212 Exam 2 ISU Study Questions and Correct Answers

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Which of the following mutations would be most likely to have a harmful effect on an organism? -a single nucleotide insertion downstream of, and close to, the start of the coding sequence -a single nucleotide deletion near the end of the coding sequence -a deletion of three nucleotides near the midd...

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Bio 212 Exam 2 Practice Questions with Complete Solutions

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what is a protist in the most general sense? An informal group of primarily aquatic eukaryotic organisms with diverse body forms, types of reproduction, modes of nutrition, and lifestyles -Algae, water molds, slide molds protozoa what are some different body plans of protist? -Mostly unicellular -s...

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Bio 212 Test Questions and Correct Answers

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It's cold outside, but excessively hot in Col 150. Cation X+ is more concentrated on the inside of a cell. Many ions of various types are passing through channels in the membrane. We know from this set of facts that this cell has a positive membrane potential A cation more concentrated inside a ce...

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Biology 212 Exam 2 Questions with Verified Answers

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If cells are grown in a medium containing radioactive 32P-labeled phosphate, which molecules will be labeled? Nucleic Acids If a double-stranded DNA sample were composed of 10 percent thymine, what would be the percentage of guanine? 40 If one strand of a DNA molecule has the sequence of bases 5'...

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Bio 212 Exam 4 Review Questions and Correct Answers

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Starting at the resting potential of a neuron, if K+ and Na+ were suddenly allowed to freely cross the membrane, K+ would move ______ and Na+ would move _______ following their concentration gradients. A. Out of the cell; out of the cell B. Into the cell; into the cell C. Out of the cell; into the c...

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BIO 212 Final Exam Questions and Answers University of Oregon

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Noradrenaline effect on pacemaker cells G Protein-->Increased cAMP--> Increased flow through funny channel--> HR Na+ equilibrium potential membrane potential that is required to stop a net flow of ions across the membrane Threshold potential membrane potential that leads to the opening of...

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BIO 212 OLA 2 PRACTICE TEST QUESTIONS WITH CORRECT ANSWERS

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Components of a nucleotide 1. phosphate group 2. 5-carbon sugar 3. nitrogenous base How do nucleotides polymerize to form nucleic acids? Via condensation between the hydroxyl on one nucleotide and the phosphate group on another. This results in a new covalent bond and releases a molecule of water. ...

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BIO 212 Exam 3 MSU Study Guide-Questions and Correct Answers

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Enveloped Virus A virus that has a membranous outer covering over its capsid Role of viral surface protein/spikes Provides means of attachment to host cell surface Possible configurations of viral nucleic acids --single-stranded DNA --double-stranded DNA RNA hybrid --double-stranded DNA circular -...

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Bio 212 Exam 2 Study Questions and Solutions

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What filaments maintain cell shape (pull), divide animal cells into 2, ad move organelles/ cytoplasm (2 coiled strands)? Actin filaments (microfilaments) What filaments maintain cell shape (pull) and anchor the nucleus (fibers wound into thick cables)? Intermediate filaments What filaments maintai...

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Bio 212 Exam 1 Practice Questions and 100% Correct Answers

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Which characteristic of a cell most influences the rate of movement of materials into and out of the cell? Surface Area Compared with a smaller cell, a larger cell of the same shape has ________. less surface area per unit of volume When are my office hours? Monday through Thursday 1-2pm, but you ...

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Bio 212 Exam 2| 256 Questions with Correct Answers| Already Passed

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The sequence of one strand of DNA is shown below. Which of the following is the sequence of its complementary strand? 3′ ATTTGGCC 5′ 5' TAAACCGG 3' DNA polymerases are enzymes that build DNA. They catalyze ____ reactions leading to the formation of ____ bonds. condensation; phosphodiester A ...

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Bio 212 Exam 1 Study Set- Questions and Answers

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Which of the following is the correct order of relative size from smallest to largest? a phospholipid, a protein channel, a virus, a prokaryotic cell How does one determine the number of covalent bonds an element will likely form? the number of valence electrons What is the correct order of permea...

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Bio 212 Final Exam Review Questions and Complete Solutions

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evolution change in the genetic composition of a population from generation to generation descent with modification the passing on of traits from parent organisms to their offspring Microevolution evolutionary change within a species or small group of organisms, especially over a short period. ge...

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Bio 212 Exam 1 Questions and Verified Answers

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A compound contains hydroxyl groups as its predominant functional group. What is true of this compound? It should dissolve in water A chemist wishes to make an organic molecule less acidic. What functional group should be added to the molecule? Amino From its atomic number of 15, it is possible to...

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Bio 212 Final Exam Practice Questions and Correct Answers

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Pasteur used two types of flasks in his famous experiment: an open-top and a swan-necked flask. What was the experimental variable? a.Type of flask b. Access to air c. Access to microbes in the air d. Type of glass e. I do not know c. Access to microbes in the air What properties make water a...

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BIO 212 Exam 1 Study Guide- Questions and Correct Answers

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What functions do organisms need to perform to survive? Regulate water and ions, nutrition, internal transport of materials, sensory signals, movement, reproduction, and defense Define adaptation and describe what types of features might be adaptations. adaptation is the biological mechanism by whi...

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Bio 212 Exam 1 Questions and Answers

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Which of the following is the correct order of relative size from smallest to largest? A phospholipid, a messenger RNA, a virus, a prokaryotic cell How does one determine the number of covalent bonds an element will likely form? The number of Valence electrons What is the correct order of permeabi...

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Biology 212 Iowa State Exam 1 Questions and Answers

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What are the five characteristics of living things? Using energy, made of cells, process information(genes), reproduction, and evolution cell theory all organisms are made of cells and come from pre-existing cells (In aqueous solution) List bonds from weakest to strongest -covalent, hydrogen, ioni...

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