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Biology

Neurotransmitters and The Parts of a Neuron

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Psychology
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Biology
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Neurons
Axon terminal
Neurotransmitter
Axon
Dendrite
Technology
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neurotransmitters
Neurons
Important Neurotransmitters: 1. Acetylcholine 2. Dopamine 3. Serotonin 4. Endorphins Parts of a Neuron: 1. Dendrites 2. Soma (cell body) 3. Axon 4. Myelin Sheath 5. Axon terminals 6. Synapse

ap psychology

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Anatomy
Nervous system
Biology
Brainstem
Neurophysiology
Cranial nerve
Cerebrum
Brain
Spinal cord
Pons
Diencephalon
Health
Major Structures of the Brain Structure Description Major Functions Brainstem Stemlike portion of the brain, continuous with diencephalon above and spinal cord below. Composed of midbrain, pons, medulla oblangata. Relays messages between spinal cord and brain, from brainstem cranial nerves to cerebrum. Helps control heart rate, breathing rate, blood pressure. Involved with hearing, taste, other senses. Cerebellum Second largest part of the brain. Located behind pons, in posterior section of cranial cavity. Composed of cerebral cortex, two lateral lobes, central flocculonodular lobes, medial vermis, some deep nuclei. Process center involved with coordination of muscular movements, balance, precision, timing, body positions.

Amygdala

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Psychology
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Anatomy
Food and drink
Cerebrum
Neuroanatomy
Limbic system
Amygdala
Psychology
Biology
CNote
Almond
World Wide Web
The amygdalae (pronounced /əˈmɪɡdəliː/; singular: amygdala; also corpus amygdaloideum) (Latin, from Greek αμυγδαλή, amygdalē, 'almond', 'tonsil', listed in the Gray's Anatomy as the nucleus amygdalæ)[1] are almond-shaped groups of nuclei located deep within the medial temporal lobes of the brain in complex vertebrates, including humans.[2] Shown in research to perform a primary role in the processing and memory of emotional reactions, the amygdalae are considered part of the limbic system.[3]

DNA NOTES

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Biology
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Microbiology
Molecular biology
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Bacteria
Bacteriology
Transformation
CNote
DNA

The Discovery of DNA Griffith and Transformation: Transformation: One strain of bacteria (harmless) had changed into disease-causing strain Meant gene with info was transferred from heat-killed into live cells Avery tried to break down the heat-killed bacteria with enzyme that would usually break up DNA, but it didn?t Avery concluded that DNA is nucleic acid that stores and transmits the genetic info from 1 generation to another Hershey and Chase Experiment: Studied bacteriophages (viruses) ?bacteria eaters? made of DNA/RNA and protein coat Bacteriophages inject DNA into bacteria, the viral genes act to produce many new bacteriophages and burst of out cell Conclusion: using radioactive markers, genetic material of bacteriophage was DNA not protein The Structure of DNA

Psychology Chapter 3: The Biological Bases of Behavior

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Psychology
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Nervous system
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Neural coding
Neuron
Action potential
Resting potential
World Wide Web
Technology
The Neural Impulse: Using Energy to Send Information pg75 • Neuron At Rest -The Neuron at rest is a small battery, from the uneven Ion charges from the fluid around it of Sodium (Na) and Potassium (K). -Resting Potential – The Stable, Negative Charge when the Cell is inactive. •The Action Potential - Action Potential – A very brief shift in a Neuron’s electrical charge that travels along an axon. -Absolute Refractory Period – Minimum length of time after an action potential during which another action potential cannot begin. Only about 1 or 2 Milliseconds. -All-Or-None Law – Neural Impulses either Fire or don’t fire. There is no Half-Fire. A faster Rate of transmission means a stronger Stimulus. •The Synapse

Brain Study Guide

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Psychology
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Biology
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Information Age
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Internet
Neurotransmitter
Brain
Humanities
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study guide
brain
neurotransmitters

The Brain Depolarization: positive ions, more likely action potential Hyperpolarization.: negative ions, less likely (Types Of) Neurotransmitters ? Chemicals that bind to receptor sites ? Impact/influence receiving neuron ? Reabsorbed into sending neurons through process of reuptake ? Applies brake on neurotransmitter?s action ? Serotonin pathways - involved w mood regulation ? Dopamine pathways - involved w diseases such as schizophrenia & Parkinson?s ____________________________________________________________________________ Neurotransmitter Function Examples of Malfunctions _____________________________________________________________________________ Acetylcholine (ACh) Muscle action, Deterioration: Alzheimer?s learning & memory

Genetics-Gregor Mendel

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Biology
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Gregor Mendel
Mendel
Recessive
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Dominance
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Genetics-Gregor Mendel
Gregor Mendel was he father of modern genetics. He created punnet squares which predict the outcome of offspring for a specific trait. It uses both the mother and the father's genes, and the outcome depends on how many parents have the trait, and whether it is dominant or recessive.

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