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Molecular Evolution in Plants
Students are using a paper chromatography study that is suitable for introductory biology. The absorption spectra studies and gel electrophoresis studies are appropriate for students who have complete both introductory biology and...
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Molecular Evolution in Plants
Students examine chlorophylls. They explore the absorbing pigments in a variety of plants. Through activities, students determine spectrophotometrically. They compare plant proteins from the family Brassicace to assess the level of...
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Gene Control in Prokaryotes
In this gene control worksheet, students use the example of the lactose operon structure to describe what happens when this structure is absent or mutated. This worksheet has 21 fill in the blank statements.
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Why Do We Need Vitamin C in Our Diet?
Students compare/contrast the DNA sequence data of the rat GULO gene to the inactive human GULO gene. They translate and align the sequences, and propose a scenario to explain the occurrence of an inactive DNA sequence to that of an...
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How is Foreign DNA Inserted into Organisms During the Genetic Engineering of Crops?
Students examine the positive benefits and negative consequences of genetically modified organisms following a lecture covering key biotech concepts and techniques. Students then conduct and experiment comparing the travel rate of...
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ISOLATION OF DNA FROM ONION
Students perform a lab in which they extract DNA from onion cells. Students break through the cell and nuclear membranes and then break down the protein that the DNA is wrapped around.
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ECOLOGICAL BIOASSAY OF COPPER SULFATE IN DAPHNIA MAGNA
Young scholars use this lab as a follow up to the introduction of the ecosystems and productivity levels, bioassays and what and how they measure, and Daphnia magna as an index organism, i.e., a species whose health within an ecosystem...
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DNA Extraction From Living Things
Young scholars extract DNA from split peas. For this biology lesson, students hypothesize what DNA looks like and perform the experiment to verify their hypothesis. They explain the importance of DNA in living things.
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What's on Your Plate?
Students demonstrate the path of food in the body. In this biology lesson, students conduct an experiment to determine how large the the digestive system is. They name the different organs involved in the digestive process.
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Lost Baby
Students simulate the steps involved in creating a DNA fingerprint by the RFLP technique. They analyze RFLP patterns to determine the parentage of a missing baby.
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Characterizing Drosophila Mutants
Students investigate wild-type and several mutant varieties of Drosophila melanogaster, which are characterized and distinguished according to pteridine pigments. They discoverthat paper chromatography of the wild-type Drosophila results...
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CONSTRUCTION OF A HEMOGLOBIN GENE
Students use research to see how eight pairs of triplets are equivalent to part of a gene and control a part of heredity. They also understand how red blood corpuscles manufacture normal hemoglobin.
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Why do we need Vitamin C in our diet? Or Why do we carry old inactive genes in our genome?
Students explore and explain how mutations in the DNA sequence of a gene may be silent or result in phenotypic change in an organism and in its offspring. They analyze how evolution and biodiversity are the result of genetic changes that...
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Pharmacology
In this pharmacology learning exercise, students compare excitatory and inhibitory neurotransmitters and how these work on the body. This learning exercise has 3 drawings and 13 fill in the blank questions.
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Endocrine System
In this endocrine system worksheet, learners compare and contrast the glands associated with this body system plus review the four major classes of hormones. This worksheet has 25 fill in the blank statements.
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Controlling the Code: Molecules at Work
In this DNA activity, students access a website to learn about how single-celled organisms function successfully. Then students pretend they are a bacterium and determine how to transport lactose across their cell membrane for food. This...
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DNA Blueprint for Life
Students isolate DNA from different food sources. For this biology lesson, students research DNA extraction. They analyze DNA stands collected from the lab, and compare the differences between each.
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Organs to Go...
Students explain the principles of experimental design and reinforce the steps of the scientific method. Each group of students create a "slush" type mixture to store a chicken liver.
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DNA Fingerprinting
Students experiment with chromatography as a technique which is similar to electrophoresis that scientists use to identify DNA samples.
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Wolf Pack in a Bottle
Students participate in an activity of a mock electrophoresis using paper chromatography to study DNA and genetic restriction mapping.
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How to Conquer a Genetic Disease
Students study the details of DNA restriction analysis and how RFLP's are used to locate genes on a map of DNA.
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Bioremediation
Students design and conduct investigations that illustrate the effect bioremediation has on organic matter and determine environmental applications. They, in groups, present their findings to the class.
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What Can Pseudogenes Tell Us About Common Ancestry?
Students compare/constrast DNA sequence data for a portion of the rat GULO gene to the corresponding sequence in the inactive GULO gene in humans, chimpanzees, orangutans, and crab-eating macaques by identifying the shared sequences in...
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Labs on A Chip
Students are introduced to DNA microarrays. They discuss how scientists and doctors use them and how they work. They complete a worksheet and discuss their findings.
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