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Campbell bio lecture

Subject: 
Biology
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Biology
Genetics
Heredity
Chromosome
Meiosis
Gene
Sex
Reproduction
Transmission
Mendelian inheritance
Evolution
Health

Chapter 13 Meiosis and Sexual Life Cycles Overview: Hereditary Similarity and Variation Living organisms are distinguished by their ability to reproduce their own kind Heredity is the transmission of traits from one generation to the next Variation shows that offspring differ in appearance from parents and siblings Genetics is the scientific study of heredity and variation Concept 13.1: Offspring acquire genes from parents by inheriting chromosomes In a literal sense, children do not inherit particular physical traits from their parents It is genes that are actually inherited Inheritance of Genes Genes are the units of heredity Genes are segments of DNA Each gene has a specific locus on a certain chromosome One set of chromosomes is inherited from each parent

Eugenics - Sterilization Laws

Subject: 
Biology
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Eugenics
Ethics
Health
Birth control
Compulsory sterilization
Sterilization
Harry H. Laughlin
Law
Buck v. Bell
Leilani Muir
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Eugenics

Sterilization Laws Sterilizations were performed before the surgery was legally approved Indiana enacted the first law allowing sterilization on eugenic ground in 1907 Connecticut followed soon after Sterilization did not gain widespread popular approval until the late 1920s Advocacy in favor of sterilization was one of Harry Laughlin?s first major projects at the ERO In 1914, he published a Model Eugenical Sterilization Law Proposed to authorize sterilization of the ?socially inadequate? Included ?feebleminded, insane, criminalistic, epileptic, inebriate, diseased, blind, dead, deformed, and dependent? ?orphans, ne?er-do-wells, tramps, the homeless and paupers? 12 states had already enacted sterilization laws

bio 211 quiz

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Biology
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Biology
Organelles
Membrane biology
Cell biology
Diffusion
Osmosis
Cell membrane
Cell
Passive transport
Tonicity
Membrane transport
Vacuole
Health
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bio quiz

Study tips for Quiz 3 Fluid mosaic membrane model Selective permeability: control what goes in and out of cell Compartmentalization: different processes can be separate Phospholipids-main component of membranes (50% by weight) Structure: hydrophilic heads faces out (water loving) polar surface Hydrophobic tails face in (weather fearing) non-polar region Interior 1972 singer and Garth Fluid- lipids and proteins can move relative to each other within membrane The typical membrane structure consists of a phospholipid bilayer with a number of proteins scattered throughout, along with some carbohydrates (glycoproteins), glycolipids and sterols, similar to the way in which one does a mosaic tile, hence the name. molecules involved in membrane transport Pg 107 fig 5.12

Respiratory System PPT

Subject: 
Biology
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Anatomy
Human anatomy
Biology
Respiratory system
Thorax
Respiration
Head and neck
Respiratory tract
Lung
Breathing
Conducting zone
Pulmonary alveolus
Health

By: Chlo? Durfee Sydney Modder Ramya Ramesh Megumi Sharma Chase Damis The Respiratory System Larynx (Voice Box) Connects pharynx to trachea Provides airway Prevents food from entering respiratory tract Produces sound Pharynx (throat) Provides passageway for respiratory and digestive tracts Tube like structure that connects nasal and oral cavities to larynx Coordinates breathing and swallowing while eating Larynx/Pharynx Larynx/Pharynx Epiglottis Blocks food and liquids from entering the trachea Spoon-like structure Epiglottis Lungs Pair of spongy, air-filled organs. Located on either side of thorax. Covered by thin tissue called pleura. Pull in oxygen and absorbs it into linings of lungs. Pushes oxygen into chambers of the heart so oxygen travels throughout the body.

Respiratory System PPT

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Biology
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Anatomy
Biology
Zoology
Respiratory system
Respiration
Lung
Respiratory tract
Breathing
Conducting zone
Pulmonary alveolus
Gas exchange
Lower respiratory tract
Health
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review overview

Warm-Up Name one organ in the respiratory system and state its significance in the human body State three things you know about the respiratory system. By: Chlo? Durfee Sydney Modder Ramya Ramesh Megumi Sharma Chase Damis The Respiratory System Epiglottis Blocks food and liquids from entering the trachea Spoon-like structure Larynx/Pharynx Pharynx (throat) Provides passageway for respiratory and digestive tracts Tube like structure that connects nasal and oral cavities to larynx Coordinates breathing and swallowing while eating Larynx (Voice Box) Connects pharynx to trachea Provides airway Prevents food from entering respiratory tract Produces sound Trachea (Windpipe) This is the tube that air passes through in order to get to the bronchi and then the lungs.

Chapter 10: Motivation and Emotion

Subject: 
Psychology
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Behavior
Human behavior
Mind
Human sexuality
Limbic system
Personal life
Fertility
Emotions
Sexual arousal
Hypothalamus
Sexual orientation
Human sexual activity
Health
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ap psychology
motivation
emotion
chapter
10

Chapter 10: Motivation and Emotion Motives: needs, wants, interests, and desire that propel people in certain directions Motivation-goal directed behavior MOST THEORIES DISTINGUSH BIOLOGICAL AND SOCIAL MOTIVES Biological is limited based on survival and Social is unlimited through learning/experiences. Biological Motives Social Motives Hunger Sleep Sex Thirst Order Motive Achievement Affiliation Dominance Henry Murray: Most people have needs for achievements, autonomy, affiliation, dominance, exhibition, and order/etc. Motivation of Hunger and Eating Bio Factors in Regulations of Hunger Cannon and Washburn- association with stomach contractions and hunger= NO CORRELATION! Having your stomach removed=you can still be hungry

sciencee

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Biology
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Anatomy
Nervous system
Biology
Neuron
Nervous tissue
Spinal cord
Motor neuron
Nerve
Sympathetic nervous system
Axon
Brain
Autonomic nervous system
Health

Biology Chapter 46 Homework Xitlali Sedano P.3 4/12/12 Biology Muscle Tissue Is composed of cells that contract Every function that muscle tissue performs- from creating a facial expression to keeping the eye in focus- is carried out by groups of muscle cells that contract in a coordinate fashion There are three types of muscle tissues Skeletal Muscle Moves the bones in your trunk, limbs and face Smooth Muscle Handles body functions that you cannot control consciously such as the movement of food through your digestive system Cardiac Muscle Is found in your heart It pumps blood through your muscles Nervous Tissues Contains cells that receive and transmit messages in the form of electrical impulses Makes up the human brain, spinal cord and nerves

Chapter 7 AP Biology

Subject: 
Biology
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Biology
Membrane biology
Cell membrane
Lipid bilayer
Endocytosis
Active transport
Membrane potential
Osmosis
Membrane protein
Facilitated diffusion
Passive transport
Na+/K+-ATPase
Health

Copyright ? 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings PowerPoint? Lecture Presentations for Biology Eighth Edition Neil Campbell and Jane Reece Lectures by Chris Romero, updated by Erin Barley with contributions from Joan Sharp Chapter 7 Membrane Structure and Function Overview: Life at the Edge ? The plasma membrane is the boundary that separates the living cell from its surroundings ? The plasma membrane exhibits selective permeability, allowing some substances to cross it more easily than others Copyright ? 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Fig. 7-1 Concept 7.1: Cellular membranes are fluid mosaics of lipids and proteins ? Phospholipids are the most abundant lipid in the plasma membrane

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