ATP
The chemical energy used for most cell processes is carried by _____.
Sugar
Sometimes you may feel you need energy, so you eat food that contains _______.
Chemical energy
All of the carbon-based molecules in food store ______________ _________ in their bonds.
Carbohydrates; lipids
____________________ and _________ are the most important energy sources in foods you eat.
Broken down
However, this energy is only usable after these molecules are _____________ ________ by a series of chemical reactions.
adenosine triphosphate
All cells use chemical energy carried by ATP --- ____________ ________________.
Energy; cell processes
ATP is a molecule that transfers _________ from the breakdown of food molecules to ______ _____________.
ATP; active transport
Cells use ______ for functions such as building molecules and moving materials by _________ _____________.
phosphate group
The energy carried by ATP is released when a _____________ ___________ is removed from the molecule.
Three; broken
ATP has _________ phosphate groups, but the bond holding the third phosphate group is unstable and very easily _________.
Energy
The removal of the third phosphate group usually involves a reactions that releases ___________.
Phosphate; ADP; diphosphate
When the _____________ is removed, energy is released and ATP becalmed _______ --- adenosine __________________.
Lower-energy; phosphate group
ADP is a ________-__________ molecule that can be converted into ATP by the addition of a ______________ __________.
Carbon-based
Organisms break down ___________-__________ molecules to produce ATP.
ATP
Foods that you eat do not contain ______ that your cell can use.
Digested
First, the food must be _____________.
Energy
Foods have different amounts of calories, which are measures of __________.
ATP
Different foods also provide different amounts of ______.
Carbohydrate; lipid; protein
The number of ATP molecules produced depends on the type of molecule that is broken down -- ___________________, _______, or _____________.
Carbohydrates; ATP
______________________ are not stored in large amounts in the body, but they are the molecules most common,g broken down to make _______.
Glucose; 36
The breakdown of the simple sugar ___________ yields about _____ molecules of ATP.
Lipids
_______ store more than twice the energy of carbohydrates.
Carbohydrates; ATP
Proteins store about the same amount of energy as __________________ but they are less likely to be broken down to make ______.
Photosynthesis
Plants make their own food through the process of ____________________.
Sugars
Plant cells break down ___________ to produce ATP, just like animal cells do.
Sunlight; photosynthesis
A few types of organisms do not need __________ and _____________________ as a source of energy.
Directly; Indirectly; chemical
Most organisms rely ___________ or _____________ on sunlight and photosynthesis as their source of ____________ energy.
Sunlight
Some organisms do not need ___________.
Chemosynthesis; carbon-based
_______________________ is a process by which some organisms use chemical energy instead of light energy to make energy-storing _____________-___________ molecules.
ATP
The chemical energy used for most cell processes is carried by _____.
Sugar
Sometimes you may feel you need energy, so you eat food that contains _______.
Chemical energy
All of the carbon-based molecules in food store ______________ _________ in their bonds.
Carbohydrates; lipids
____________________ and _________ are the most important energy sources in foods you eat.
Broken down
However, this energy is only usable after these molecules are _____________ ________ by a series of chemical reactions.
adenosine triphosphate
All cells use chemical energy carried by ATP --- ____________ ________________.
Energy; cell processes
ATP is a molecule that transfers _________ from the breakdown of food molecules to ______ _____________.
ATP; active transport
Cells use ______ for functions such as building molecules and moving materials by _________ _____________.
phosphate group
The energy carried by ATP is released when a _____________ ___________ is removed from the molecule.
Three; broken
ATP has _________ phosphate groups, but the bond holding the third phosphate group is unstable and very easily _________.
Energy
The removal of the third phosphate group usually involves a reactions that releases ___________.
Phosphate; ADP; diphosphate
When the _____________ is removed, energy is released and ATP becalmed _______ --- adenosine __________________.
Lower-energy; phosphate group
ADP is a ________-__________ molecule that can be converted into ATP by the addition of a ______________ __________.
Carbon-based
Organisms break down ___________-__________ molecules to produce ATP.
ATP
Foods that you eat do not contain ______ that your cell can use.
Digested
First, the food must be _____________.
Energy
Foods have different amounts of calories, which are measures of __________.
ATP
Different foods also provide different amounts of ______.
Carbohydrate; lipid; protein
The number of ATP molecules produced depends on the type of molecule that is broken down -- ___________________, _______, or _____________.
Carbohydrates; ATP
______________________ are not stored in large amounts in the body, but they are the molecules most common,g broken down to make _______.
Glucose; 36
The breakdown of the simple sugar ___________ yields about _____ molecules of ATP.
Lipids
_______ store more than twice the energy of carbohydrates.
Carbohydrates; ATP
Proteins store about the same amount of energy as __________________ but they are less likely to be broken down to make ______.
Photosynthesis
Plants make their own food through the process of ____________________.
Sugars
Plant cells break down ___________ to produce ATP, just like animal cells do.
Sunlight; photosynthesis
A few types of organisms do not need __________ and _____________________ as a source of energy.
Directly; Indirectly; chemical
Most organisms rely ___________ or _____________ on sunlight and photosynthesis as their source of ____________ energy.
Sunlight
Some organisms do not need ___________.
Chemosynthesis; carbon-based
_______________________ is a process by which some organisms use chemical energy instead of light energy to make energy-storing _____________-___________ molecules.