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proteins

Subject: 
Biology
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Chemistry
Biology
Protein structure
nutrition
Proteomics
Molecular biology
Nitrogen metabolism
Amino acid
Protein
Denaturation
Alpha helix
Peptide
health

1 LECTURE 6: PROTEINS Protein Outline 2 Proteins (structure and function) ?Major roles in physiology & structural frameworks ?Amino acid structure ?Levels of structural organization: (primary, secondary, tertiary, quaternary) ?Properties (relate to structure) ? Major classes of proteins Objectives 3 1. Describe the structure of amino acids 2. Outline how proteins are formed by peptide bonds. 3. Describe how proteins are organized at the primary, secondary, tertiary, quaternary levels. 4. State the functions of proteins 5. Classify proteins according to structure/solubility, composition, function. Proteins 4 ?More than 50% of the dry mass of an organism consists of proteins.

Lab safety

Subject: 
Chemistry
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Safety
health
Chemistry
Safety engineering
environmental law
Health sciences
Industrial hygiene
Medicine
Material safety data sheet
laboratory
Fire extinguisher
Fume hood
Disaster
Environment

Laboratory Safety Chemistry is a laboratory science. As part of your laboratory experience you will be required to handle many chemical substances, some of which may pose a health risk. It is your responsibility to always follow the proper procedures and guidelines for handling these chemicals You and your parents must agree to and sign the safety contract in order to participate in lab activities. Failure to comply with safety guidelines may result in your removal from the class and loss of credit for the work that is done in your absence. Conduct in the Chemistry Lab Food and drink are strictly prohibited in the laboratory. When first entering the room, do not touch any chemicals or equipment until you are instructed to do so.

bio

Subject: 
Biology
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Biology
Cloning
Developmental biology
Cell Biology
Biotechnology
Stem cells
Stem cell
health
Technology

Yevette Smith It has always been a dream of scientist to move stem cells into a place that needs more cells. They want to launch a medical revolution where organs and tissues might be repaired without having to use machines pumps. So when James Thomason reported that he had succeeded in removing cells from spare embryos at fertility clinics he and other scientists got a lot more than they bargained for. Every wanted to know where the needed going to embryos came from. This article talks about his story and everything else that happened.
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Biology Lecture Questions the Brain

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Biology
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Genetics
Biology
Philosophy of biology
Alzheimer's disease
Human genome
Microcephaly
DNA
health

Medicine in the Genomic Era Lecture 1- Sizing up the Brain Gene by Gene Natasha Marfatia 1. The human genetic code is written in a(n) ______ containing ____ letters. It is over _____ letters long and encodes around ______ genes. 2. What is the cause of the drop in cost to sequence DNA? 3. Cerebral cortex makes up how much of the whole brain? 4. What is myelin? 5. Is it likely for someone under the age of 20 to develop Alzheimer?s or someone over the age of 60 to develop Alzheimer?s? 6. What is the name of the condition when the brain too small? 7. What is hemispherectomy? 8. Name a negative effect of Dante?s surgery. 9. Hemimegalencephaly includes an abnormality with the ________________. 10. Is there a connection between hemimegalencephaly and cancer?

Chapter 11- Complex Inheritance and Human Heredity

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Biology
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Genetics
Biology
Philosophy of biology
Classical genetics
Dominance
Recessive
Sex linkage
genotype
Genetic disorder
Sickle-cell disease
Tay–Sachs disease
heredity
health

Chapter 11: Complex Inheritance and Human Heredity RECESSIVE GENETIC DISORDERS -A recessive trait that is expressed when the individual is homozygous recessive for the trait CYSTIC FIBROSIS -Affects the mucus-producing glands, digestive enzymes, and sweat glands ALBINISM -Caused by altered genes, resulting in the absence of melanin in hair and eyes TAY-SACHS DISEASE -Gangliosides (fatty acids) accumulate in the brain, inflating brain nerve cells and causing mental deterioration GALACTOSEMIA -Recssive genetic disorder characterized by the inability of the body to digest galactose DOMINANT GENETIC DISORDERS -Huntington's Disease affects the nervous system -Achondroplasia is a genetic condition that causes small body size and limbs that are comparatively short

Campbell Biology 9th Edition Chapters 14-18 Study Guide

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Biology
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Biology
Genetics
Gene expression
RNA
Protein biosynthesis
Molecular biology
Gene
RNA polymerase
Transcription
DNA
Dominance
Translation
health

Chapters 14 and 15 Gregor Mendel Studied traits that occur in distinct forms Developed true-breeding varieties When bred amongst themselves, by self-fertilization, these plants produced offspring identical to the parent for that trait No variation in that one trait Used mathematical analysis in his studies Findings related mainly to plants, not humans Definitions Gametes: reproductive cells produced by sexually-reproducing organisms Two types: Male gametes=sperm In plants: contained in pollen Female gametes=eggs In plants, contained in ovules, which mature to seeds when fertilized Ovules contained in carpels Fertilization Fertilization: fusion of egg and sperm Self-fertilized: fusion of sperm and egg from same plant

Campbell Biology 9th Edition Chapter 10-13 Study Guide

Subject: 
Biology
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Biology
Cell Biology
Cell Signaling
cell cycle
organelles
Photosynthesis
Thylakoid
Cell surface receptor
Meiosis
Cell growth
Signal transduction
Kinetochore
health

Chapter 10 Photosynthesis The production of organic fuel from energy Carbon dioxide + water + energy organic compounds + oxygen Is a redox reaction Water is split and electrons transferred with H+ from H2O to CO2, reducing it to sugar Autotrophs: ?producers? able to produce their own organic compounds Produce their own organic molecules from CO2 and other inorganic raw materials obtained from the environment Heterotrophs: ?consumers? who must obtain organic compounds from other organisms or substances Where does photosynthesis occur? Chloroplasts in the leaves of plants Chloroplasts are found mainly in mesophyll cells forming the tissues in the interior of the leaf O2 exits and CO2 enters the leaf through microscopic pores called stomata in the leaf

Campbell Biology 9th Edition Chapter 10-13 Study Guide

Subject: 
Biology
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Biology
Cell Biology
Cell Signaling
cell cycle
organelles
Photosynthesis
Thylakoid
Cell surface receptor
Meiosis
Cell growth
Signal transduction
Kinetochore
health

Chapter 10 Photosynthesis The production of organic fuel from energy Carbon dioxide + water + energy organic compounds + oxygen Is a redox reaction Water is split and electrons transferred with H+ from H2O to CO2, reducing it to sugar Autotrophs: ?producers? able to produce their own organic compounds Produce their own organic molecules from CO2 and other inorganic raw materials obtained from the environment Heterotrophs: ?consumers? who must obtain organic compounds from other organisms or substances Where does photosynthesis occur? Chloroplasts in the leaves of plants Chloroplasts are found mainly in mesophyll cells forming the tissues in the interior of the leaf O2 exits and CO2 enters the leaf through microscopic pores called stomata in the leaf

Campbell Biology 9th Edition Chapters 6-9 Study Guide

Subject: 
Biology
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Biology
cellular respiration
organelles
Membrane biology
Cell Biology
Integral membrane proteins
mitochondrion
Vesicle
cell
Chemiosmosis
Adenosine triphosphate
Oxidative phosphorylation
health

Chapter 8 Metabolism The totality of an organism?s chemical reactions An emergent property of life that arises from orderly interactions between molecules A chemical reaction is an alteration in the chemical properties of a molecule Often these chemical properties of a molecule are changed in a series of steps Ex: breaking down and changing the chemistry of what you eat A metabolic pathway is a series of steps that alter a molecule to manage material and energy It begins with a specific molecule, which is then altered in a series of defined steps, resulting in a certain product Therefore, metabolism is the management of materials and energy in an organism utilizing chemical reactions in specific pathways 2 Basic Metabolic Pathways

Chapter 10- Sexual Reproduction and Genetics Cont.

Subject: 
Biology
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Genetics
Classical genetics
Biology
Philosophy of biology
Dihybrid cross
Monohybrid cross
Punnett square
Genetic linkage
Dominance
Mendelian inheritance
Recessive
Hybrid
health

Chapter 10: Sexual Reproduction and Genetics Cont. MENDELIAN GENETICS -The parent generation known as the P generation -The offspring of this P cross is calle dthe first filial (F1) generation -The second filial (F2) generation is the offspring of the F1 cross -Mendel studied seven different traits: -Seed or pea color -Flower color -Seed pod color -Seed shape or texture -Seed pod shape -Stem length -Flower position GENES IN PAIRS -Allele -An alternative form of a single gene passed form generation to generation -Dominant -Recessive DOMINANCE -An organism with two of the same alleles for a particular trait is homozygous -An organism with two different alleles for a particular trait is heterozygous GENOTYPE AND PHENOTYPE

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