Download - 1 27 Dna Structure
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Taking your unit exam results, graph the results of your exam by standard. Identify which standards
you “passed” (80% or higher) and what standards who need to work on (80% or lower)
5/6= 83% 4/6= 66% 3/6= 50% 2/6= 33% 1/6= 16%
8/9= 88% 7/9= 77% 6/9= 66% 5/9= 55% 4/9= 44% 3/9= 33% 2/9= 22% 1/9= 11%
Launch
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B1- 75%B2- 68%B3- 65%B5- 76%
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Cells
Physiology
Ecology
Genetics
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-Genetics is the study of heredity.-Heredity is how different genes/traits
are passed down from parents to children.
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Heredity is determined by DNADNA stands for deoxyribonucleic acidFound in the nucleus
Rosalind Franklin took an X-Ray of DNA and helped initially determine its
structure.
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DNA is a double helix in which strands are complementary
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Watson and Crick
are responsible
for publishing the results that DNA is
a double helix
structure
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Sugar Phosphate Nitrogenous Bases
The sugar and phosphate form the backbone of the DNA.
Sugar Phosphate backbone
Nitrogenous Bases
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Adenine (A)Cytosine (C)Guanine (G)Thymine (T)
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Adenine (A) always pairs with Thymine (T) with two hydrogen bonds
Cytosine (C) always pairs with Guanine (G) with three hydrogen bonds
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