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Bio photosynthesis & respiration
Terms in this set (74)
6CO2 + 6H2O ------> C6H12O6 + 6O2
equation for photosynthesis
H2O is absorbed into the plant's...
Openings in leaf surfaces called STOMATA
Co2 is absorbed through...
Sunlight is absorbed through leave's
Site of photosynthesis
Plants get color from what in their tissues?
Green (some yellow)
Plants absorb all colors on the EM spectrum EXCEPT...
As to prevent becoming to hot
Why do plants not absorb all colors on the EM spec
reactions of photosynthesis that use energy from light to produce ATP and NADPH
light dependent reaction
Occurs inside the thylakoid and across its membrane
H2o molecules are the reactants in this reaction
H+ ions & O2 molecules are the products (non-cyclic) in this reaction
Free electrons are generated in this reaction
H+ and e- are picked up by NAPD+ molecules in this reaction
ADP (adenosine diphosphate)
low-energy molecule that can be converted to ATP
ADP is energized into ATP in this reaction
Light Independent Reactions (Calvin Cycle)
set of reactions in photosynthesis that do not require light; energy from ATP and NADPH is used to build high-energy compounds such as sugar; also called the Calvin cycle
Uses C02 & H+ ions (NADPH) as reactants along with free reactants in this reaction
Reaction occurring in the stroma
temperature, light intensity the availability of water, carbon dioxide concentration
Factors affecting photosynthesis
Organisms that make their own food, using the sun's energy directly
preventing water loss
Stomata are located on the under side of a leaf because...
Opens for Co2 rids O2
What does stomata regulate coming in and out?
An organism that doesn't produce its own food. DOES NOT use the sun's energy directly
The ability to do work or cause change
light, heat, chemical, electrical, mechanical, and nuclear energy are forms
energy forms include
T/F Energy can be stored in chemical bonds then released later
T/F energy cannot be created or destroyed
T/F energy cannot be changed from one form to another
main energy source that cells use for most of their work
Two high energy phosphate bonds, nitrogen base adenine, & ribose sugar
Stores energy in ATP
ADDING a phosphate group to ADP...
releases energy and forms ADP
Removing a phosphate group from ATP..
Any cellular process that requires energy
Cells use ATP for
A few seconds
Cells have enough energy to last for...
Constantly be made
transferring energy very well
ATP is a great at
ATP is not good at
Process by which cells release energy in the absence of oxygen
glycolysis is a part of...
anaerobic process in which cells convert pyruvic acid into carbon dioxide and ethyl alcohol; carried out by many plants, bacteria, and fungi such as yeasts
lactic acid fermentation
the chemical breakdown of carbohydrates that produces lactic acid as the main end product in humans & animals
important intermediate compound in metabolism, being produced during glycolysis and converted to acetyl coenzyme A, required for the Krebs cycle.
2 ATP, 2 CO2, 2 ethanol
End products of alcohol fermentation
2 ATP, 2 Lactic Acid
end products of lactic acid fermentation
carbohydrates, fats, proteins
other organic molecules used for food
Process that releases energy (ATP) and water by breaking down glucose and other macro molecules in the presence of oxygen
organelle where cellular respiration occurs
Glycolysis, Grooming phase, Krebs cycle, Electron transport chain
4 main parts of cellular respiration
first step in releasing the energy of glucose, in which a molecule of glucose is broken into two molecules of pyruvic acid.
stage when 2 pyruvate molecules are transported through the mitochondrial membrane to the matrix and is converted to 2 Acetyl CoA molecules
second stage of cellular respiration, in which pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions
Electron Transport Chain (ETC)
uses the high-energy electrons from the Krebs cycle to convert ADP into ATP
cytosol, just outside the mitochondria
glycolysis takes places in the...
inner mitochondrial matrix
Where is the Krebs cycle located?
another word for electron transport chain
2 3C molecules of pyruvic acid, 2 Atp, 2 NADH
glycolysis total net yield
1 glucose molecule
it takes 2 turns of the Krebs cycle to oxide...
Krebs cycle only occurs with...
2 ATP, 6 NADH, 2 FAPH, 4 CO2
end product of Krebs cycle
uses membrane proteins and ATP synthase to make ATP
etc pumps what across inner membrane
total amount ATP produced through glycolysis/Krebs cycle
net yield of ATP per glucose molecule in the electron transport system
total yield from cellular respiration
false; cellular respiration is more efficient at using energy than machines
T/F modern engines are now more efficient at using energy than cells do in cellular respiration
C6H12O6 + 6O2 → 6CO2 + 6H2O (glucose + oxygen -> carbon dioxide + water).
cellular respiration formula
Small openings on the underside of a leaf through which oxygen and carbon dioxide can move
glucose is a...
c6 H12 O6
chemical formula for glucose
t/f one molecule of glucose stores 90 times more energy than one molecule of ATP
process that Plants use the sun's energy to convert water and carbon dioxide into sugars and oxygen
vascular tissue that carries water upward from the roots to every part of a plant
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