seminar two chemistry, cells, & tissues
DESCRIPTION
Seminar Two Chemistry, Cells, & Tissues. Based on Chapter 2 (pages 31-36) and 3 (pages 43-50, 54-69) Tracy Abram, MAIS. Chemistry of Life. Chemicals are responsible for directing virtually all of our bodily functions. Bodily functions are directed by chemicals. - PowerPoint PPT PresentationTRANSCRIPT
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BASED ON CHAPTER 2 (PAGES 31-36) AND 3 (PAGES 43-50, 54-69)
TRACY ABRAM, MAIS
Seminar TwoChemistry, Cells, & Tissues
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Chemistry of Life
Chemicals are responsible for directing virtually all of our bodily functions. Bodily functions are directed by chemicals.
Understanding the basic chemical reactions that occur in the body is essential.
Understanding the basic concepts of biochemistry is vital.
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A question for you!
What is the primary difference between organic and inorganic compounds?
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Organic CompoundsOrganic Compounds Inorganic CompoundsInorganic Compounds
LivingContain C-C and C-
H BondsExamples:
CarbohydratesLipids, Proteins,
and Nucleic Acids
NonlivingDoes not contain C-
C and C-H bondsExamples: water,
temperature, soil, and wind
Compounds
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Answer !
Inorganic compounds do not contain carbon-carbon bonds or carbon-hydrogen bonds.
[water and some acids, bases, and salts]
Organic compounds contain carbon and include carbon-carbon bonds and/or carbon-hydrogen bonds.
The human body has both types of compounds!
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Inorganic compounds
Water Water is a solvent (liquid into which solutes are
dissolved), forming aqueous solutions in the body
Water is involved in chemical reactions Dehydration synthesis (water removed) Hydrolysis ( water added)
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Water Qualities
Polar moleculeComposed of hydrogen and oxygenHigh surface tensionHigh heat of vaporizationExpands when it freezesBody composed of mainly waterChemical reactions participation
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Cell Parts
Table 3-1 Page 47- Structure and FunctionFigure 3-2 page 46 –Animal cell diagramAnimal Cell Animation Below:http://www.cellsalive.com/cells/plntcell.htm
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Organic Chemistry
Major types found in body: Carbohydrates Lipids Proteins Nucleic acids
Note: Table 2-3 on page 32 gives examples, and functions of each.
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CarbohydratesCarbohydrates LipidsLipids
Source of energy3 types:Monosaccharide: one
simple sugar (glucose, fructose, galactose)
Disaccharide: two simple sugars (sucrose)
Polysaccharide: many simple sugars (starch and glycogen)
Composed of one glycerol and 3 fatty acids
Fats and OilsExample:
Triglyceride and Phospholipid
Organic Compounds
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ProteinProtein Nucleic AcidNucleic Acid
Amino AcidsFacilitate chemical
reactionsExamples: enzymes
and hormones
Basic Units: Nucleotides
DNA (contains deoxyribose)
***genetic codeRNA (contains
ribose)*****serves as copy
of genetic code
Organic Compounds Cont.
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Seminar Topic: Tissue Types
Bill is a 17 year old high school student that plays soccer for his high school team. During yesterday’s game, he fell while scoring the game winning goal. He is not sure, but he thought he heard a snapping sound in his arm. Discuss the 4 tissue types and how they may be involved in his injury.
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Question for You!
What are the four types of tissues?
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4 Tissue Types:
EpithelialConnectiveMuscleNervous
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Epithelial Tissue
Table 3-6 pg. 60Continuous sheets with no blood vessels.Classified according to shapeCategorized according to arrangement
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http://i596.photobucket.com/albums/tt47/brett_t37/epithelialtissue.jpg
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Types of Epithelial Tissues
http://training.seer.cancer.gov/anatomy/cells_tissues_membranes/tissues/epithelial.html
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Muscle and Nervous
Table 3-8 page 62Skeletal-Attach to bonesCardiac-Heart MuscleSmooth-viscera of digestive, respiratory, and
urinary tracts
Nervous: Nerve cells (Glia)
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Connective Tissue
Most abundant tissue in the bodyTable 3-7 page 61Types include: Areolar, Adipose, Dense
fibrous, Bone, Cartilage, Blood, Hematopoietic
Web links: Bone Marrowhttp://www.som.tulane.edu/classware/patholo
gy/Krause/Blood/HP.htmlhttp://instruction.cvhs.okstate.edu/histology/
HistologyReference/hrhemac.htm
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Quick Quiz Review for you!!!
1. Carbohydrate A. Adipose
2. Protein B. Glia
3. Water C. Heart muscle
4. Lipid D. Contain C-C and C-H bonds
5. Nucleic Acid E. Sucrose
6. Connective tissue F. Olive oil
7. Cardiac G. Inorganic compound
8. Organic Compounds H. DNA
9. Nervous tissue I. Bodily functions directed by…….
10. Chemicals J. Amino acids
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Quick Quiz Answers!!!
1. Carbohydrate E
2. Protein J
3. Water G
4. Lipid F
5. Nucleic Acid H
6. Connective tissue A
7. Cardiac C
8. Organic Compounds D
9. Nervous tissue B
10. Chemicals I
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Questions for me???