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Biology

Biodiversity

Subject: 
Environmental Science
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Environment
Biology
Conservation
Biodiversity hotspots
biodiversity
environmental science
Red panda
Conservation biology
Endangered species
Tropical Andes
Fauna of Asia

http://www.conservation.org/where/priority_areas/hotspots/asia-pacific/Mountains-of-Southwest-China/Pages/biodiversity.aspx Geographic boundaries from mountains and valleys create "mini-hotspots" with distinct populations PLANTS: Arguably the most botanically rich temperate area in the world Roughly 12,000 plant species (40% of all plant species in China) From website: "About 3,500 species (29 percent) and at least 20 genera are endemic, including about 100 endemic ferns and 20 endemic gymnosperms. Two plant families are endemic to the hotspot: the Circaeasteraceae and the monotypic Acanthochlamydaceae." More than a quarter of the world's rhododendron species represented in the forests, about 230 species Some of these rhododendrons can grow to over 20 meters tall

Cell Membrane

Subject: 
Biology
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Biology
Membrane biology
Cell membrane
Facilitated diffusion
Osmosis
Carrier protein
Membrane protein
Lipid bilayer
Passive transport
Cytosol
Active transport
Tonicity
health

Cell Membrane Fluid Mosaic Model: Cell membranes consist of a fluid formed by a phospholipid bilayer and a ?mosaic?, or patchwork, of proteins Phospholipid: Polar and hydrophilic head, nonpolar and hydrophobic fatty acid tail Cell membrane also called plasma membrane Outside the membrane there is interstitial fluid, which is a salty liquid Inside the membrane there is the cytosol, which is mostly water. The cytosol is also the water portion of the cytoplasm Phospholipid bilayer: Formed since the hydrophilic heads form hydrogen bonds with water, causing the heads to face the water on either side. Since the fatty acid tails are hydrophobic, they cluster together within the bilayer

Overview of Respiration

Subject: 
Biology
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Biology
cellular respiration
Chemistry
biochemistry
Glycolysis
Fermentation
Oxidative phosphorylation
Carbohydrate catabolism
Anaerobic respiration
Citric acid cycle
Nicotinamide adenine dinucleotide
redox
health
Technology

Cellular Respiration?An Overview 1 Cellular Respiration?An Overview What are the phases of cellular respiration? Why? All cells need energy all the time, and their primary source of energy is ATP. The methods cells use to make ATP vary depending on the availability of oxygen and their biological make-up. In many cases the cells are in an oxygen-rich environment. For example, as you sit and read this sentence, you are breathing in oxygen, which is then carried throughout your body by red blood cells. But, some cells grow in envi- ronments without oxygen (yeast in wine-making or the bacteria that cause botulism in canned food), and occasionally animal cells must function without sufficient oxygen (as in running sprints). In this

Cellular Respiration

Subject: 
Biology
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Biology
cellular respiration
Chemistry
biochemistry
Glycolysis
Fermentation
Oxidative phosphorylation
Carbohydrate catabolism
Anaerobic respiration
Citric acid cycle
Nicotinamide adenine dinucleotide
redox
health
Technology

Cellular Respiration?An Overview 1 Cellular Respiration?An Overview What are the phases of cellular respiration? Why? All cells need energy all the time, and their primary source of energy is ATP. The methods cells use to make ATP vary depending on the availability of oxygen and their biological make-up. In many cases the cells are in an oxygen-rich environment. For example, as you sit and read this sentence, you are breathing in oxygen, which is then carried throughout your body by red blood cells. But, some cells grow in envi- ronments without oxygen (yeast in wine-making or the bacteria that cause botulism in canned food), and occasionally animal cells must function without sufficient oxygen (as in running sprints). In this

Psych Outline- Biological Bases of Behavior

Subject: 
Psychology
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Biology
neuroscience
anatomy
nervous system
Neurobiology
Neurophysiology
Neural networks
brain
Neuron
Chemical synapse
Neuroglia
Norepinephrine
health

AP Psychology Outline Chapter 3: The Biological Bases of Behavior Red ? Definition Blue - Important Points Green - Important People & Contributions Nervous System: The Basics Neurons ? Individual cells in the nervous system that receive, integrate, and transmit information. They are basic links that allow communication within the Nervous System. Soma ? Cell Body of the neuron that contains the nucleus and much of cells normal organs. Dendrite ? Parts of a Neuron that receives information. Axon ? Long fiber that transmits information away to other neurons, muscles, or glands. Myelin Sheath ? Insulating Material that encases some Axons. It speeds up to transmission of information.

Botany Vascular Tissue

Subject: 
Biology
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Biology
Plant physiology
Botany
Plant Anatomy
anatomy
Tissues
Plant cells
Photosynthesis
Xylem
Transpiration
Root pressure
Vascular tissue
Environment

Vascular Tissue and Transport VASCULAR TISSUE & TRANSPORT Plants rely on specialized tissue, called vascular tissue, to transport water, nutrients, and the products of photosynthesis around the plant. The two types of vascular tissue are: xylem (zy-lum) phloem Water Transport Xylem - Transports water from the roots up to the rest of the plant in one way flow. Tracheids - Hollow cell in xylem with thick cell walls that resist turgor pressure Water Transport Water rises through the thin tubes by a process called capillary action (cohesion of water molecules and adhesion to solid surface). The thinner the tube, the higher the water will rise.

Botany Introclassification

Subject: 
Biology
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Biology
Botany
anatomy
Plant Anatomy
Plant physiology
plants
Tissues
Plant taxonomy
Vascular plant
Plant
Non-vascular plant
Vascular tissue
Environment
Botany; Introclassification

Classification Multicellular Eukaryote Have cell walls made of cellulose Carry out photosynthesis AND respiration Most are autotrophs A few are parasites (live on living organisms) or saprobes (live on dead organisms) Store energy as starch (carbohydrates) Sunlight Water Minerals Gas Exchange (CO2 in: O2 and some CO2 out) Transport of water and nutrients throughout the plant body Remember Photosynthesis: 6H2O + 6CO2 ? C6H12O6 + 6O2 (water + carbon dioxide + sunlight ? glucose + oxygen) Plants life cycles have two alternating phases known as alternation of generations: A diploid (2N) phase known as the sporophyte (spore producing plant). A haploid (N) phase known as the gametophyte (gamete producing plant)

biology 1

Subject: 
Biology
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Biology
Genetics
Classical genetics
Philosophy of biology
Dominance
genotype
Punnett square
Complementation
Gene
Zygosity
Mutation
evolution
biology pdf

Key Concepts ? Inherited traits are affected by genes. ? Genes are composed of the chemical deoxyribonucleic acid (DNA). ? DNA replicates to form (usually identical) copies of itself. ? DNA contains a code specifying what types of enzymes and other proteins are made in cells. ? DNA occasionally mutates, and the mutant forms specify altered proteins. ? A mutant enzyme is an ?inborn error of metabolism? that blocks one step in a bio- chemical pathway for the metabolism of small molecules. ? Traits are affected by environment as well as by genes. ? Organisms change genetically through generations in the process of biological evolution. ? Because of their common descent, organisms share many features of their genetics and biochemistry. Key Terms

AP Biology chapter 4 and 5 test

Subject: 
US History
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Chemistry
Biology
Genetics
Biomolecule
RNA
Protein
Amino acid
Nucleic acid sequence
Uracil
Hydrolysis
Nucleic acid
Gene
health
macromolecules
Carbon Cycle

A.P. Biology: Chapter 4 & 5 Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. At which level of protein structure are interactions between the side chains (R groups) most important? a. primary d. quaternary b. secondary e. all of the above c. tertiary 2. All of the following nitrogenous bases are found in DNA except a. thymine. b. adenine. c. uracil. d. guanine. e. cytosine. 3. Which of the following best summarizes the relationship between dehydration reactions and hydrolysis? a. Dehydration reactions assemble polymers, and hydrolysis breaks down polymers. b. Hydrolysis only occurs in the urinary system, and dehydration reactions only occur in the digestive tract. c.

Cellular respiration review sheet

Subject: 
Biology
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Biology
cellular respiration
biochemistry
Chemistry
Glycolysis
Electron transport chain
Citric acid cycle
Pyruvic acid
Crista
Fermentation
Carbohydrate catabolism
mitochondrion
Technology

CELLULAR RESPIRATION MULTIPLE CHOICE. Circle ALL that are TRUE. There may be more than one correct answer. _______________________ is the first step in cellular respiration that begins releasing energy stored in glucose. A. Alcoholic fermentation B. Lactic acid fermentation C. Glycolysis D. Electron transport chain The carriers for energy and high energy electrons during GLYCOLYSIS are ________. A. ATP B. NADH C. FADH2 D. NADPH If oxygen is NOT present, glycolysis is followed by _____________________ A. Krebs cycle B. electron transport chain C. fermentation Name the 3 carbon molecule produced when glucose is broken in half during glycolysis. A. pyruvic acid B. lactic acid C. Acetyl-CoA D. citric acid

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