Imagine you were asked to extract DNA from the cells of another plant species. Choose 3 species of plants and research the size of their genome. How many chromosomes does the species have? Is the genome relatively similar in size or highly variable? Which would be the best choice for DNA extraction? Why?
Imagine you were asked to extract DNA from the cells of another plant species. Choose 3 species of plants and research the size of their genome. How many chromosomes does the species have? Is the genome relatively similar in size or highly variable? Which would be the best choice for DNA extraction? Why?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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2. What is the purpose of adding the extraction buffer (soap + salt)?
The purpose of adding the extraction buffer (soap + salt) is because the soap helps to
dissolve the phospholipid bilayers of the cell membrane and organelles and
the salt is used to break up protein chains that bind around the nucleic acids.
3. Since DNA precipitates out in ethanol, is DNA soluble or insoluble in ethanol? Explain.
Ethanol is insoluble in DNA because when we put it in the solution it makes the DNA
come out of solution
4. Strawberry species and hybrids can be diploid, tetraploid, pentaploid, hexaploid,
heptaploid, octoploid, or decaploid (having 2, 4, 5, 6, 7, 8, or 10 sets of the seven
strawberry chromosomes, respectively). How will this affect the percentage yield of
DNA?
5. Imagine you were asked to extract DNA from the cells of another plant species. Choose
3 species of plants and research the size of their genome. How many chromosomes
does the species have? Is the genome relatively similar in size or highly variable? Which
would be the best choice for DNA extraction? Why?
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