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Bio lab

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Biology Final Exam Practice| 83 questions| with complete solutions

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    Biology Final Exam Practice| 83 questions| with complete solutions

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  • Which of the following statements correctly summarizes cell theory? correct answer: All organisms are made of cells, and all cells come from preexisting cells. Natural Selection correct answer: Natural selection occurs when heritable variation in certain traits leads to improved success in reproduction. Natural selection acts on individuals. Which statement best explains the physical basis for why oil (molecules containing only carbon and hydrogen) and water do not mix? correct answer: ...
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Biology Lab Final Exam| 100 questions| with complete solutions

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    Biology Lab Final Exam| 100 questions| with complete solutions

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  • Whether in a gas, a liquid, or a semisolid, diffusion always occurs. correct answer: from high to low solute concentration Which dye would you predict to move the fastest (and thus go furthest in a given time period) through agar? correct answer: Potassium permanganate (mw= 158) The spreading out of molecular from a center of higher concentration is the result of correct answer: The random movements of molecules What determines the direction of diffusion? correct answer: concentrati...
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Biology Lab Final Exam| 160 questions| with complete solutions

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    Biology Lab Final Exam| 160 questions| with complete solutions

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  • humans have how many chromosomes? correct answer: 23 pairs Diploid Cell correct answer: 2n (2 of every chromosome) Haploid correct answer: N (1 copy of every chromosome) Are sex cells diploid or haploid? correct answer: haploid Cell cycle consists of what stages correct answer: G1, S, G2, and M phases Interphase correct answer: the chromatin is unraveled, or dispersed throughout the nucleus and is essentially invisible as individual structures During interphase correct an...
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Biology Lab Final Exam Questions With Complete Solutions

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    Biology Lab Final Exam Questions With Complete Solutions

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  • During DNA replication, correct answer: each parental strand serves as a template for the synthesis of a complementary strand How would the shape of a DNA molecule change if adenine paired with guanine and cytosine paired with thymine? correct answer: The DNA molecule would have irregular widths along its length. Which of the following is true about double-stranded DNA? correct answer: Its strands have a sugar-phosphate backbone. Why is DNA extraction and isolation an important labor...
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Biology Foundations Lab Practical Final| 90 Questions| With Complete Solutions

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    Biology Foundations Lab Practical Final| 90 Questions| With Complete Solutions

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  • What is cystic fibrosis? correct answer: a recessive, genetic disorder: requires two copies of recessive allele for an individual to have cystic fibrosis individuals that have it tend to have very thick mucus, which leads to frequent respiratory infections and hard time breathing life expectancy is reduced where does it occur? (a) mitosis (b) meiosis correct answer: (a) somatic cells (b) sex cells (gametes) what is the function? (a) mitosis (b) meiosis correct answer: ...
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Concordia Biology 201 Lab Exam Questions With Complete Solutions

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    Concordia Biology 201 Lab Exam Questions With Complete Solutions

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  • Fibrous Connective Tissue correct answer: Contains collagen fiber and fibroblast. In tendons and ligaments. Loose Connective Tissue correct answer: Loose web of fibres (matrix of fibres). Fibroblast (large nuclei) In areolar tissue. Connective Tissue correct answer: Fibres: collagenous (strength, flexibility), reticular (attachment), elastic In loose, fibrious connective tissue, cartilage, bone, blood, adipose. Simple Columnar Epithelium correct answer: Upper can be cilia or mi...
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Biology LAB FINAL EXAM! 60 QUESTIONS! WITH COMPLETE SOLUTIONS

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    Biology LAB FINAL EXAM! 60 QUESTIONS! WITH COMPLETE SOLUTIONS

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  • DNA is used as a template for making correct answer: proteins and RNA. A student was testing whether PTC tasting ability correlated with amount of coffee consumed. She tested determined the lowest concentration of PTC that an individual could taste and rated it on a scale from 1-14. Then, she surveyed each individual about the number of cups of coffee that they consume a week. Her data can be seen below. correct answer: here does not appear to be a relationship between PTC tasting and coffe...
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Biology LAB final Exam| questions| with complete solutions

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    Biology LAB final Exam| questions| with complete solutions

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  • Proteins that act as catalysts; or a protein that functions as a catalyst for a chemical reaction. correct answer: Enzymes Substances that regulate the rate of chemical reactions but do not unite permanently with reactants correct answer: Catalysis Heat, acids, and bases break the weak hydrogen bonds holding the protein together. This ruins the unique shape of the protein in a process called....? correct answer: Denaturation The region of the enzyme where contact is made between the ...
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Biology Lab Practical Exam 1| 75 questions| with complete solutions (Multiple Choice Portion)

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    Biology Lab Practical Exam 1| 75 questions| with complete solutions (Multiple Choice Portion)

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  • The prefix milli means correct answer: 0.001 The prefix micro means correct answer: 0. The metric baseline unit for distance is the correct answer: Meter The metric baseline unit for mass is the correct answer: Gram How many mm are in one meter? correct answer: 1000 6.5g is equivalent to 0.0065 correct answer: Kilograms Expand 7.2 x 10*-6 correct answer: 0. Expand 5.4 x 10*3 correct answer: 5400 On the____ temperature scale, water freezes at 0' correct answer: C...
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Biology Lab Practical- Final| 293 Questions| With Complete Solutions

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    Biology Lab Practical- Final| 293 Questions| With Complete Solutions

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  • Biology Lab Practical- Final| 293 Questions| With Complete Solutions
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