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Cell
Smallest living unit.
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Where is the DNA located in the cell?
Nucleus.
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What is the plasma membrane?
Separates the contents of the cell from the surrounding fluid.
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Interstitial fluidd contains what?
Amino acids, fatty acids, sugars, salts, transmitters...
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What is the cytoplasm?
The "scaffolding" for the organelles.
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What are the organelles in the cell?
They do specific functions.
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What is the mitochondria for?
Food to energy.
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Where is ATP made?
Mitochondria.
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Smooth ER does what?
Storage of enzymes.
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Rough ER is for?
Deliver proteins.
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What is the golgi complex?
Packages proteins.
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What are lysosomes?
Digest cell structures that aren't working; digesting waste.
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What is chromatin?
Form of DNA when not dividing.
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What are chromosomes?
Form of DNA when dividing.
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What's a zygote?
Cell from union of sperm and egg.
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What is taxonomy?
Study of scientific classification.
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What are the five kingdoms?
- Animal
- Plant
- Monera (bacteria)
- Protoist (protozoa, algae, some molds)
- Fungi (molds, muchrooms, yeasts)
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What is active transport?
Use of ATP to cross membrane.
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What is passive transport?
Use of diffusion and filtration.
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The cell is isotonic. What?
Solute concentration of the cell inside is the same as the outside.
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The cell is hypertonic. What?
More solute outside than inside cell.
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The cell is hypotonic. What?
More solute inside cell than outside.
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What are autotrophs?
Produce own food from inorganic substances.
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What are heterotrophs?
Consuming organic shit.
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What are biotic factors of the ecosystem?
Living parts of the system.
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What are abiotic parts of the ecosystem?
Non-living parts. Temp, humidity, soil.
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What's a biosphere?
Portion of our planet that is inhabited by living ecosystems that are common to the various types of geographical areas.
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What's a cuticle in plants?
Waxy layer that prevents water loss through evaporation.
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What are genes?
"Instructions" to make the characteristics
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What is an independent variable?
The one being changed.
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What is the dependent variable?
variable that changes in response to the independent variable.
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What is peristalsis?
Muscle contractions that help food go down.
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Where is bile produced?
Liver.
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Where is bile stored?
Pancreas.
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What enzymes break down carbs?
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How does body make glucose?
Break down carbs.
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Where do body break down carbs?
Mouth then small intestine.
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What breaks down protein?
Protease.
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How does body make amino acids?
Break down protein.
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Where do body break down protein?
Stomach then small intestine.
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What breaks down lipids?
Lipase.
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How does body create fatty acid and glycerol?
Break down lipids.
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Where does body break down fats?
Small intestine.
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Where is lactic acid from?
Anaerobic aspiration.
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What comprises the CNS?
Brain and spinal cord?
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What comprises the PNS?
Nerves and sense receptors.
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What is the cerebrum for?
High-level thinking. Conscious thinking, speech, memory.
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Cerebellum is for?
Muscular coodination and balance.
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Pituitary gland is for?
Master gland. All the FSH, LH etc hormones.
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Thyroid gland is for?
Regulates metabolism.
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Parathyroid gland is for?
Regulates calcium metabolism.
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Adrenal gland is for?
ACAC AMEN
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Isles of Langerhans are for?
Insulin, Glucagon.
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Atomic number is?
Protons.
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Mass number is?
Protons and neutrons.
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Newtons first law is?
Object in motion stays in motion.
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Newton's second law is?
F=MxA
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Newton's third law is?
For every action there is an equal and opposite reaction.
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What is boyle's law?
The volume of a fixed amount of gas varies inversely with the pressure of the gas.
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What is Charles' law?
Temp of gas goes up, volume goes up.
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Temperature is the measure of?
average kinetic energy
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Latent heat is?
Heat energy needed per unit mass to change the phase of substance.
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Periodic wave is?
A motion that repeats itself.
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What is a mass defect?
The mass difference of a nucleus and the protons and neutrons.
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What is radioactivity?
The atom's nucleus would spontaneously disintegrate while giving off energy.
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The conversion from one element to another is?
Transmutation.
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When a radioactive nucleus goes through a transmutation it's called?
Nuclear reaction.
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What happens to nuclei in fusion?
Several light atoms combine to a single heavy nucleus with a release of energy.
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What happens to nuclei in fission?
A heavy nucleus splits into two main pieces with the release of a huge amount of energy.
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What is caloric intake?
The sum of all calories we intake.
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What is obesity?
When BMI>30.
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Saturated fat and transfat does what to our bodies?
Increase cholesterol in blood. Lead to clogged arteries and coronary disease.
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What is atheroscelorosis?
CLogged arteries.
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What is emphysema?
Disease of lungs.
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Food temp that kills bacteria?
140F
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