The breakdown of sugar to be used for energy is called
glycolysis
The process where the product of glycolysis(pyruvic acid) is metabolized in the absence of oxygen is
fermentation
The final products of glycolysis that are in turn used for respiration are called
pyruvic acid
This is the type of fermentation where the muscle become sore from build up
lactic
This cycle is the source of all the carbon dioxide you exhale
Krebs Cycle
Once glycolysis is complete about ____ % of the chemical energy stored in glucose is still unused
90%
All of the following are electron carriers in the Krebs cycle except
a. NAD+
b. FAD+
c. NADP
NADP is electron carrier for photosynthesis
The final process in cellular respiration in which the majority of ATP are produced is called
Electron Transport Chain
Which identifies the relationship between photosynthesis and cellular respiration?
B. the product of one process are used as reactants by the other process
When oxygen is not present during glycolysis, the cell undergoes ________?
fermentation
During Cell aerobic respiration _____ ATP are produced total
36
The net result of glycolysis is 2 ATP molecule and 2 _____ molecules
pyruvic acid
reaction that takes place within the photosynthetic membranes found in the chloroplasts
Photosynthesis
Light reaction
Dark reaction
This reaction produces glucose
Dark reaction
This reaction is important to baker and brewers
Alcoholic Fermentation
This reaction is an aerobic process
Krebs Cycle
Electron Transport Chain
Respiration
This reaction makes high-energy compounds, ATP and NADPH
Light reaction
This reaction produces the carbon dioxide you exhale
Krebs Cycle
This reaction produces energy, carbon dioxide and water
Respiration
This reaction causes a painful, burning sensation in your muscles
Lactic Acid Fermentation
Another name given to this reaction is the Calvin Cycle
Dark reaction
The pigment chlorophyll is needed in order for this process to occur
Photosynthesis
Light Reaction
This reaction is an anaerobic process
Lactic Acid Fermentation
Alcoholic Fermentation
Fermentation
This reaction requires carbon dioxide
Dark reaction
This reaction occurs within the mitochondria
Krebs Cycle
Electron Transport Chain
Respiration
This reaction make PGAL in order for glucose and other organic molecules to be made
Dark Reaction
This reaction produces pyruvic acid and ATP
glycolysis
define catabolic
breaking down
define anabolic
building up
(making new energy)
What is ATP
provides energy for mechanical functions of cells
Energy is released when a phosphate group is removed
when does ADP occur
occurs when ATP releases energy
what is made in the stroma
sugar
what does xylem do
transport water from the roots to the leaves
Explain what the light dependent reaction of photosynthesis is
Sunlight absorbed by chlorophyll and water are used to produce oxygen, ATP, and NADPH
Explain what the light independent reaction of photosynthesis is
Occurs in the stroma, uses ATP, NADPH from the light reaction and CO2 to make PGAL, which helps produce ADP, NADP+, and glucose
What role does FADH2 and NADH play in cellular respiration
Supply electrons to the Electron Transport Chain in order for 32 molecules of ATP to be made
where does aerobic occur
mitochondria
where does anaerobic
occurs in cytoplasm
Do plants or animals perform respiration? Explain?
Both plants and animal perform respiration because they need energy to grow. The energy comes form the production of ATP through respiration (every living organism goes through aerobic)
where does ATP occur
occurs in chloroplast by photosynthesis
Where else can ATP occur
occurs in the cytosol by glycolysis (sugar breaking)
Another place ATP occurs is
occurs in mitochondria by cellular respiration
where do autotrophs get their energy from
sun
Heterotrophs get their energy from where
plants or other organisms
when do plants make ATP
during photosynthesis
Cells of all organisms make ATP by breaking down what
carbohydrates
fats
proteins
what does energy releasing mean
bonds breaking
what are 2 main types of energy releasing pathways
anaerobic and aerobic
what does both anaerobic and aerobic both rely on
glycolysis
what are the 3 stages of cellular respiration
glycolysis
citric acid cycle (Krebs cycle)
Electron Transport Chain
where does glycolysis occur in
cytoplasm
during glycolysis what happens to glucose
is broken down (sugar breaking)
2 stages of glycolysis
energy requiring and energy releasing
During glycolysis energy requiring what happens
2 ATP molecules are needed
they need to break apart the bonds of glucose
what happens in glycolysis during energy releasing
they need to split glucose into 2 three-carbon pyruvate molecules
ATP and NADP ( electron carrier form as a result of the breakdown of glucose)
During energy releasing in glycolysis where is most of the energy from glucose
still contained in the pyruvate
what is necessary for actual breaking of glucose
2 ATP
what is the krebs cycles also known as
Citric Acid cycle
Which stage of cellular respiration occurs when oxygen is present and where does it occur in
Krebs Cycle
occur in the mitochondria
where does all of the carbon dioxide come from
krebs cycle
what is the outcome go glycolysis
2 smaller pyruvate molecules
what does krebs cycle require
pyruvate
where does pyruvate come from
glycolysis
The __ take place within the saclike____ that are located inside an organelle known as the_______.
light-dependent reactions
thylakoid
chloroplast
Sunlight is captured by clusters of pigment molecules called _____ that contain several hundred________ molecules as well as a number of accessory pigments
photosystems
chlorophyll
_______ is "split" to produce hydrogen ions, _________, and ________ that replace those lost by chlorophyll
water
oxygen gas
electrons
An enzyme uses the energy created by a difference in changes across a membrane to add a phosphate group to ADP to form ______
ATP
The light reactions use ____, _____, and _____ to produce ______, _____, and _____
water
ADP
NADP+
Oxygen
ATP
NADPH
An organisms that is able to use a source of energy to produce food from simple inorganic molecules
autotrophic
In the ________, or Calvin Cycle, the energy from the _____ and _______ produced in the light reactions is used to incorporate _________ into PGAL; which in turn is used to make ________ and other biologically important molecules
Dark reactions
ATP
NADPH
carbon dioxide
glucose
A green pigment that is involved in light absorption for photosynthesis:
chlorophyll
An organism that obtains energy by eating other organisms
heterotrophic
Which reaction involves light energy converted to chemical energy, the photo part of photosynthesis, water molecules split, oxygen is given off.
Light reaction
Which reaction forms simple sugars, the synthesis part of photosynthesis, uses carbon dioxide
Dark reaction
In photosynthesis , _____ energy is converted into chemical energy
LIGHT
Photosynthesis results in the production of the simple sugar _____ and free ____
glucose
electrons
principal pigment of green plants
chlorophyll
pathway that produces energy rich sugars and removes carbon dioxide from the atmosphere
Calvin Cycle
colored substances that reflect or absorb light
pigment
stage of photosynthesis that does not directly involve light
dark reaction
stage of photosynthesis in which the sun's energy is captured by plants and converted into energy storage compounds
photosynthesis
How could ash from a massive volcanic eruption affect the energy intake of nearby plants
they block the sun
What living things are able to trap the sun's energy to produce their own food
chlorophyll
Two molecules of _____ provide energy to begin glycolysis
ATP
The word glycolysis means
breaking down of glucose (sugar)
Lactic acid fermentation allows muscles to make the ATP they need without oxygen , but it produces lactic acid, which makes the muscles ______ after intense exercising
sore
Alcoholic fermentation produces __________, which causes bread dough to rise and bubbles to form in beer and sparkling wine
carbon dioxide
Respiration requires what
oxygen
In the _______, the cell first breaks off one carbon atom, then releases it as carbon dioxide
Krebs cycle
The two electron carriers in the krebs cycle are
NADH
FADH2
A cell can generate energy in the form of ATP from
almost any food compound
release of energy from the breakdown of food molecules in the presence of oxygen
aerobic respiration
cycle that is the source of all the carbon dioxide you exhale
Krebs cycle
aerobic respiration takes place here in eukaryotic cells
mitochondria
process by which yeasts convert pyruvic acid to alcohol and CO2
alcoholic fermentation
process that takes place in the body when the muscles run out of 02
lactic acid fermentation
process that allows glycolysis to continue to make ATP without O2
anaerobic respiration
series of reactions in which a molecule of glucose is broken down
glycolysis
product of alcoholic fermentation that produces bubbles in beer and sparkling wine
carbon dioxide
molecule formed when electrons are passed to NAD+
NADH
one-celled organisms that are used in baking and brewing
yeasts
Plants depend upon the activities of animals for a contenting supply of which substance
carbon dioxide
which process removes C02 to the atmosphere
photosynthesis
which process adds CO2 to the atmosphere
aerobic respiration
into which organic substance does photosynthesis convert the carbon of CO2
glucose
After plants are eaten by animals, what process changes the carbon in these organic compounds back to CO2
Krebs Cycle
Explain why cells need glycolysis to produce pyruvic acid
it is the starting material for aerobic and anaerobic respiration