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From DNA to Organisms

BIO SCI 93 Chapter 6: Cellular Respiration
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I. Cellular Respiration: breaking down sugar in the presence of oxygen (aerobic). Photosynthesis (you recall...) is the process by which CO 2and H 2O are used to make sugars and starches. During Cellular Respiration, sugar...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Chapter Notes - Chapter 1: Jacob Moleschott, Hydrogen Sulfide, Thylakoid
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Life is woven out of air by light Jacob Moleschott Dutch We have spent a lot of time talking about carbohydrates ~ sugars ~ but how are those sugars madeby cells to become part of the food chain? Plants, protists (like ph...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Chapter Notes - Chapter 2: Egg White, Macromolecule, Hemoglobin
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It's Macromolecule #3: Proteins! I. Proteins in everyday life : Yummy steak: Beef. It's what's for dinner..... Hair: made of the protein keratin....comes in straight, curly or wavy forms. ...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Lecture Notes - Lecture 3: Walter Willett, Saturated Fat, Red Meat
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Why is there so much information often conflicting about nutrition? Currently (depending on the website, TV show, or book you might be reading) we are told that it is best to eat lots of meat, dont eat any meat, eat lots...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Chapter Notes - Chapter 4: G. K. Chesterton, Dehydration Reaction, Monomer
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The object of opening the mind, as of opening the mouth, is to shut it again on something solid. Gilbert Keith Chesterton, 18641936 I. Living matter is made of cells, but what are cells made of? Cells are made of molecule...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Chapter Notes - Chapter 5: Cell Membrane, Archaea, Plant Cell
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I . The cell is the basic unit of life: As we have already discussed....The discovery of the cell was made possible by the invention of the microscope (1600s) As microscopes improved, scientists observed that all living o...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Chapter : _The incredible diversity of life on this planet, most of which is microbial, is best understood in an evolutionary framework_ -- Carl Woese, 2000
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The incredible diversity of life on this planet, most of which is microbial, is best understood in an evolutionary framework Carl Woese, 2000 I. The Amazing Diversity and Unity Of Life: How Many Species Are There? There a...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Lecture Notes - Lecture 8: Animal Communication, Semiotics, Waggle Dance
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Representational Information Most displays reveal information about the signaler, whether it be fitness, disposition, or location. Representational information imparts information about the environment external to the send...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Lecture Notes - Lecture 15: Bird Vocalization, Sparknotes
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Problem : What are the three stages of bird song development? Trending Articles Powered By Young birds first have a subsong, which is very unstructered. They then develop a plastic song, which contains structured elements ...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Lecture Notes - Lecture 7: Animal Communication, Semiotics, Waggle Dance
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Representational Information Most displays reveal information about the signaler, whether it be fitness, disposition, or location. Representational information imparts information about the environment external to the send...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Lecture Notes - Lecture 5: Sebaceous Gland, Eusociality, Sex Pheromone
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Chemical Signals All forms of life must selectively detect and take in chemicals, and so chemical signaling occurs at many levels in all cells. Hormones operate within an organism, pheromones are signals between conspecifi...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Lecture Notes - Lecture 17: Central Dogma Of Molecular Biology, Cell Nucleus, Adenine
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The Building Blocks of Nucleic Acids This guide will focus on the central dogma of molecular biology. We will review the processes responsible for replicating the nucleic acid DNA, transcribing DNA into RNA, and translatin...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Lecture Notes - Lecture 11: Nitrogenous Base, Hydrogen Bond, Pyrimidine
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Minor groove In a helix, refers to the smaller of the unequal grooves that are formed as a result of the doublehelical structure of DNA. As a result of the patterns of hydrogen bonding between complementary bases of DNA, ...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Lecture Notes - Lecture 16: Chalcogen, Francis Crick, Glycosidic Bond
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Both DNA and RNA are known as nucleic acids. They have been given this name for the simple reason that they are made up of structures called nucleotides. Those nucleotides, themselves comprising a number of components, ...

Biological Sciences
BIO SCI 93
Justin Shaffer
BIO SCI 93 Lecture Notes - Lecture 16: Hydrogen Bond, Base Pair
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The Importance of the Hydrogen Bond Hydrogen bonding is essential to the threedimensional structure of DNA. These bonds do not, however, contribute largely to the stability of the double helix. Hydrogen bonds are very weak...

Biological Sciences
BIO SCI 93
Justin Shaffer

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