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Biology Lab practical Study guide

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by: Richard Olekanma

Biology Lab practical Study guide Biology 2150

Marketplace > University of Toledo > Biology > Biology 2150 > Biology Lab practical Study guide
Richard Olekanma

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About this Document

Study guide over the material in the biology 2150 lab.
Biology Lab
Mrs.Ashytn Hoover
Study Guide
50 ?




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1 review
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"I was sick all last week and these notes were exactly what I needed to get caught up. Cheers!"
Mrs. Stephon Wyman

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This 1 page Study Guide was uploaded by Richard Olekanma on Sunday April 24, 2016. The Study Guide belongs to Biology 2150 at University of Toledo taught by Mrs.Ashytn Hoover in Spring 2016. Since its upload, it has received 227 views. For similar materials see Biology Lab in Biology at University of Toledo.

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Reviews for Biology Lab practical Study guide

Star Star Star Star Star

I was sick all last week and these notes were exactly what I needed to get caught up. Cheers!

-Mrs. Stephon Wyman


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Date Created: 04/24/16
Independent variable-What the scientist changes on purpose. “What is changed?” Dependent variable-Dependent variable is what changes based on the independent variable. Think “What is being measured?” Standardized variable-The control variable. “What is kept the same?” Electrophoresis-DNA molecules are negatively charged and can be pulled through a gel with an electric field. Smaller molecules move quicker and farther than large molecules. Finding total magnification of an object-Multiply the ocular by the objective. Ex) 5x ocular and 40x objective is 200x magnification. Hypertonic-Less concentration in cell than in solution so cell shrinks Hypotonic-more concentration in cell than in solution so cell swells. Osmosis-Where molecules pass through a semipermeable membrane from less concentrated area into more concentrated area. Coming to equilibrium. Enzyme-substance from an organism that acts as a catalyst Blank spectrometer-We blank a test tube to give the spectrometer an initial reading Standard deviation overlapping-means data is not significant Leafs floated or did not float due to-The soap from the solution we added into the leaf disks caused them to sink Sodium bicarbonate-acts as carbon source for photosynthesis Variables in that experiment- Watts in the light bulbs, control variable was no light Humans have-46 chromosomes and 23 pairs Product of mitosis-Two diploid cells Product of meiosis-4 haploid cells Replication-creates final product of two DNA double helix strands identical to the parent Transcription-initial template creates mRNA Translation-Is where cellular ribosomes create protein from mRNA. Gregor Mendel-worked with peas First genetics model-corn Cholesterol-Is a lipid in your body. Too much can lead to heart failure PCR-Is efficient and multiplies DNA exponentially for 25 to 75 cycles. A cycle only takes a minute or two and each new segment made can serve as a template for other ones. Using a test cross-Determine whether someone is heterozygous or homozygous


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