-
Where do hormones in the nephron act
In the distal tubule and the collecting ducts
-
Hormones that act in the nephron
ADH and alderstrone
-
What causes reabsorption in the tublues
Active transport
-
Reabsorption
The return of Na, Cl and glucose from the tubules into the capillaries
-
Secretion (urine)
H2O will be pulled out of the urine track and back into the blood by diffusion
-
Filtration
Blood pressure puts small substance in your blood into the bowman's capsule
-
What detoxic's ammonia
The liver
-
What key waste does the kidney take out
urea
-
Excretion pathway
Kidney, ureters, bladder, uretha
-
The process of transport CO2 in the body
CO2 enters the blood from cells, and turned into carbonic acid by plasma which then turns into bicarbonate which is breathed out
-
Diaphram
Contracts (breathing in) to make room for air and relaxes (breathing out)
-
Increased O2 in the blood leads to
A slower breathing and heart rate
-
Increased CO2 in blood leads to
An increased breathing and heart rate
-
How can gas exchange happen in the lungs
by diffusion
-
What must be present in the alveoli for proper gas exchange
water
-
Pathway for air intake
Mouth/Nose, trachea, bronchus, bronchiole, alveoli
-
Blue baby
When a mother's second child has a different blood type and a immunity has been built up from the first baby
-
Rh factor
What makes blood positive or negative, negative can give to positive, positive cant give to negative
-
HIV virus
A virus that kills helper t cells so they cannot wake up killer t to fight infection
-
Vaccine process
Vaccines contain the antigen of virus which are given to the body to make antibodies
-
Antibiotics vs Vaccine
Antibiotics work against bacteria, Vaccine attack viruses, vaccines cannot cure a viruse
-
Anti-Venom
A injection of antibodies with low doses of snake venom
-
Immune system process
Macrophages find and eat a infection cell, they then send a signal to helper b and t cells, helper t wakes up killer t to fight the infection and helper b uses the data to make antibodies to fight the infection. After, most b and t cells die off, but memory b remains to store data
-
O type blood
no antigen, AB antibodies (universal giver)
-
AB type blood
Ab antigen, no antibodies (universal acceptor)
-
B type blood
B antigen, A antibodies
-
A type blood
A antigen, B antibodies,
-
Plasma
The liquid part of blood that will take CO2 cells to the lungs
-
Platelets
Cells that cause blood clots by turning into thromblin
-
Leukocytes (white blood cells)
Blood cells that fight infection in the body, they make up about 1% of the body.
-
Erythrocytes (red blood cells)
Blood cells that carry O2 to the body, made from iron with hemoglobin. They lack a nucleus
-
The greatest cellular component of blood
red blood cells
-
The greatest component of blood
Plasma
-
The primary gas that causes a heart rate to increase
CO2
-
Perkinje Fibers
What causes heart muscles to contract when they receive the sa signal
-
bundle of his
what the electric signal from the sa node travels through
-
Av node
Transferring the signal from the sa node between the ventricles
-
Sa node
Sends an electric signal to tell the heart muscles to contract
-
Where the lub dub sound comes from in the heart
Av valves closing (lub) Sa valves closing (dub)
-
Extra cellular fluid
The fluid that holds the cells in the capillaries
-
Which vessel has valves and their function
Veins, valves stop the blood from flowing backwards
-
One cell thick vessels
Capillaries
-
Where do veins carry blood
Carry oxygen poor blood to the heart
-
Where do arteries carry blood
Carry blood with oxygen away from the heart
-
Where are vitamin B and K produced
The large intestine
-
Which organ absorbs most water
The large intestine
-
Parts of the small intestine in order
Duodenum (entrance), lleum (middle), Jejunum(exit)
-
Where do the pancreas, liver and gallbladder release their contents
The small intestine
-
Secretin and CCK function
triggers the release of bile from the liver, pancreas juice for digestion
-
Gastrin function
Triggers the release of stomach acids
-
Mastication
The process of increasing surface area of a food and adding saliva
-
-
-
Organs that start digestion
- Starch-Mouth
- Proteins-the stomach
- Lipids-small intestine
-
Digestion process names
Esophagus, stomach, small intestine, large intestine
-
Tests for food groups
- Translucent test-lipids(fats)
- Biuret test-proteins
- Iodine-Starch
- Benedict's reagent-mono and dissacharides
-
Do vitamins need digestion
no
-
The difference between an active and inactive enzyme
An active enzyme can begin digestion of foods, an inactive one cannot
-
Evolution evidence
Fossils, Radio scoping (direct), Embryology, comparing structures (indirect)
-
Convergent evolution
The same evolution happening in two different areas
-
Homologous features
The same basic structure for two different species
-
Analogues evolution
Similar functions that have different orgins
-
Darwin's theory of evolution
- 1.Overproduction
- 2.Competition
- 3.Variation
- 4.Natural Selection
-
Darwins key concept in evolution theory
Survival of the fittest
-
Phylogeny
The evolutionary path a living organism takes
-
Evolution
The process of a population changing over time
-
Eutrophic
Shallow warm lakes with a great number of animals and plants
-
Oligotrophic
Deep and cold lakes with little animals and plants
-
Rainforest
The forest with the greatest diversity of life
-
Grassland
Mostly fields which rich soil
-
Desert
Hot sandy areas with little water
-
Tagia
Big forests where little light can hit the floor
-
Tundra
Perma Frost area, little growth
-
Ecosystem
A very large biome
-
Biome
A community with abiotic factors
-
Community
Many different populations living in the same area
-
Species
Organisms that are similar and can interbreed to produce offspring
-
Population
A group of the same individuals in the same place at the same time
-
Living system from smallest to biggest
Population, Species, Community, Biome, Ecosystem
-
Heterotrophs
Organisms that rely on others to be their food source
-
Autorophs
Organisms that can feed themselves by creating their own food (plants)
-
Abiotic vs Biotic
Abiotic is not living and Biotic is living
-
4 different trophic levels
- 1.Producer (plants)
- 2.Primary consumer (Herbivore, omnivore)
- 3.Secondary consumer (carnivore, omnivore) (this level continuous for any more consumers
- 4. Decomposes (fungus)
-
How much energy is passed on in each trophic level
About 10%
-
Energy enters the environment as ______ and is turned into chemical energy by
Solar Energy, Plants(glucose)
-
Cellular Respiration Formula
C6H12O6 +6 O2 ——>6 CO2+ 6 H2O
-
Eutrophication
Fertilisers getting into water supplies and killing aquatic life
-
Biological magnification
Unnatural chemicals from us are polluting animal foods and then poisoning animals
-
Acid Rain
Emission of fossil fuels lowers the pH of the environment causing rain to be more acidic
-
Global Warming
UV radiation slipping into the earth as we deplete the ozone layer from fossil fuels
-
Ozone layer function
absorbs uv radiation from the sun and releases energy as heat
-
Greenhouse effect
Trap's heat near earth's surface
-
Tropopshere
The atmosphere that contain's weather and life
-
Stratosphere
The region that has the ozone layer
-
Mesosphere
The end of the atmosphere where gases are no longer present
-
Ionosphere
The upper area of the atmosphere that has Aurora Boerlais
-
Magnetospher
The area above the atmosphere that contains earth's magnetic field
-
Isolated systems
cannot exchange or matter or energy with anyone
-
Closed systems
Exchange energy but not matter with an outside system
-
Open systems
Exchange matter and energy with an outside system
-
Enzymes in unfavourable conditions
denaturation (the loss of hydrogen ions), this effects active site
-
What is the function of enzymes
They catalyze (speed up) reactions and allow reactions to happen at lower temperatures with less energy
-
What are enzymes made of
Proteins
-
What parts of cellular respiration do not need O2
Fermination and Glycosis
-
How much ATP does cellular respiration make
Net 36
-
Aerboic respiration vs Anaerobic respiration
Aerboic breaks down glucose with O2, Anaerobic can not
-
Key inputs and outputs of cellular respiration
Input (Glucose and O2), Output (ATP and CO2)
-
The main cycle of cellular respiration
The krebs cycle
-
Key organelle for cellular respiration
The mitochondria
-
Cytochrome enzyme system
Takes NADH and FADH and makes NAD FAD and ATP in the mitchondral membrane
-
Krebs cycle
Takes pyruvic acid, NAD, FAD, ADP to make NADH, ATP, FADH in the mitochondrial matrix
-
Conversion of pyruvic acid
takes pyruvic acid and ATP and makes Acetyl Co A and ADP in the matrix of the cell
-
Glycosis
Takes Glucose, ATP, NAD and makes pyruvic acid, 4 ATP and 1NADH in the cytoplasm
-
Cellular Respiration
Takes pyruvate and makes H2O + CO2 and 36 ATP in the matrix of the cell
-
Fermintation
Takes pyruvate and makes Lactic acid (animal cell) or Ethanol and CO2 (Yeast) and 2 ATP (both) in the cytoplasm
-
Function of NADP
Accepts and transfers H+ electrons
-
ATP
Adenosine triphosphate used as energy for everything cell related
-
The key products of light independent reactions
ADP, NAD+, carbohydrates
-
The key products of light dependant reactions
O2, ATP, NADPH
-
Role of antenna pigments
Surround a chlorophyll and absorb any non light energy and transfer it to the chlorophyll
-
Photosynthesis process
An electron is excited by light in PSII and is sent down the ETC by redox reactions until it reaches PSI, same thing happens again, until it reaches the final electron acceptor (oxygen) and makes H2O for cellular respiration
-
Photon
A packet of light energy
-
H2O use in cellular respiration
H2O is split by photolysis into H+ which is Combined with NAD to make NADH
-
CO2 use in calvin-bension cycle
Converted into a carbohydrate
-
Photosynthesis formula
6CO2+6H2O+Light energy=C6H12O6+6CO2
-
What is the main organelle of photosynthesis
The chloroplast
-
ATP synthesis
The process of obtaining ATP from cellular respiration
-
Electron Transport System (ETS)
A chain that passes on an electron by redox reactions to a photosystem or a final electron acceptor
-
Photolysis
The process of breaking chemical bonds from light energy
-
Photosystem I and II
Proteins that absorb light energy from photosynthesis to excite an electron to be passed down an electron transport chain
-
Cogulation
The permanent shape change of a protein
-
Denaturation
The temporary shape change of a protein
-
What holds amino acids together in 3d shapes
Hydrogen bonds
-
What type of bond hold amino acids together
peptide bonds
-
four structures of a protein
- 1.Primary-line of amino acids
- 2.Secondary-sheet of amino acids
- 3.Tertiary-coils or 3d proteins
- 4.Quarternary-a group of protein together
-
How many protein building blocks are essential
eight, these are gotten from plant and animal fats
-
HDL vs LDL
The two cholesterol types, HDL (good) can unclog tubes from LDL (bad)
-
What happens to fats when they are digested
They break apart into 3 fatty acids, which can lower pH
-
Phospholipids
Lipids found on cell membranes
-
Triglycerides
- A form of lipid, has two forms:
- 1.Saturated-Animal fats
- 2.Unsaturated-Plant fats
-
How to plants store carbs
In starch
-
Cellulose
A inorganic molecule that cannot be broken down by human bodies
-
Three types of carbohydrates
Monosaccharides (Glucose) Disasaccharides (Lactose, Maltose, Fructose) Polysaccharides (starch)
-
The organic molecule that is the body's most important fuel source
Carbohydrates
-
Organic Molecules
Molecules that contain carbon
-
Inorganic Molecules
Molecules that do not contain carbon
-
What would happen if your blood pH goes lower than 7
Death
-
What ion do most acids have a high concentration of
Hydrogen
-
Anabolic Reaction
A reaction that builds up a larger molecule
-
Catabolic Reaction
A reaction that breaks down a larger molecule
-
Chemical reaction inside a cell are called
Metabolism
-
Small Cells vs Larger Cells
Smaller cells are better at absorbing as they have a greater surface area compared to internal volume
-
Phagocytosis
The process of a cell engulfing a solid particle and breaking it down
-
What type of energy does active transport need
ATP energy
-
Facilitated Diffusion
The passive movement of molecules along the concentration gradient
-
The process of water diffusing from a semi-permeable membrane
Selective diffusion
-
Hypertonic
Any side that has more molecules and the other causing diffusion
-
Diffusion
The process of molecules moving from an area of higher concentration to an area of lower concentration trying to reach an equilbrium.
-
The sugar molecule that is responsible for different blood types and organ rejection
Glycoproteins
-
What do chloroplasts contain
Light capturing pigment cells (chlorophyll) for photosynthesis
-
Function of mircofilaments and microtubules
Provide structure support and shape for a cell
-
How many different building blocks are in a protein
20
-
The building blocks of protein are made from
Amino Acids
-
Lysosomes
Small sacs at the end of golgi bodies, they break down foods
-
Vesicles
Small sacs at the end of golgi bodies that release proteins
-
Golgi Bodies
The storage and protein processors for the cell
-
Mitochondria
The place of cellular respiration and the place of ATP production for the cell
-
Eukaryotes
The cells in plants and animals
-
Prokaryotes
Bacteria that lacks a membrane
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