Which statements describe an element? Check all that apply. An element is a pure substance. An element is made of only one type of atom. An element is made of two or more different types of atoms. An element can be broken down into a simpler form. An element cannot be broken down into a simpler form.
An element is a pure substance.
An element is made of only one type of atom.
An element cannot be broken down into a simpler form.
Which statements describe the six elements found in all living things? Check all that apply.
Carbon is the basis of all living things.
Sulfur is found in bones, where it provides strength.
Nitrogen is found in certain foods.
Oxygen and hydrogen combine with each other to form water.
Only carbon, hydrogen, and phosphorus are found in organic compounds.
Carbon, oxygen, hydrogen, nitrogen, phosphorus, and sulfur are found in organic compounds.
Carbon is the basis of all living things.
Nitrogen is found in certain foods.
Oxygen and hydrogen combine with each other to form water.
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are made of sugars.
are used by organisms for long-term energy storage.
are used by organisms for energy.
are made of fatty acids.
Carbohydrates are made of sugars.
Lipids are used by organisms for long-term energy storage.
Both carbohydrates and lipids are used by organisms for energy.
Lipids are made of fatty acids.
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are made of amino acids.
are used by organisms to store and transmit genetic information.
are used by organisms for tissue growth and repair.Use the drop-down menus to complete the statements.
are made of amino acids.
are used by organisms to store and transmit genetic information.
are used by organisms for tissue growth and repair.
Proteins are made of amino acids.
Nucleic acids are used by organisms to store and transmit genetic information.
Proteins are used by organisms for tissue growth and repair.
Which statements describe molecules? Check all that apply.
Molecules are made of two or more atoms.
Molecules are all the same size
Molecules range in size.
Molecules are only made of atoms of the same element.
Molecules are only made of atoms of different elements.
Molecules are made of atoms of the same element or different elements.
Molecules are made of two or more atoms.
Molecules range in size.
Molecules are made of atoms of the same element or different elements.
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are pure substances that cannot be broken down into a simpler form.
are units of two or more atoms.
are the smallest possible particles of an element.
are pure substances made of two or more atoms of different elements.
Elements are pure substances that cannot be broken down into a simpler form.
Molecules are units of two or more atoms.
Atoms are the smallest possible particles of an element.
Compounds are pure substances made of two or more atoms of different elements.
Which statements describe organic compounds? Check all that apply.
Organic compounds are commonly found in living things.
Organic compounds are not associated with or made from living things.
Organic compounds contain carbon.
Organic compounds usually lack carbon.
Organic compounds are found in food.
Organic compounds are commonly found in living things.
Organic compounds contain carbon.
Organic compounds are found in food.
Which element is able to combine in many ways with different elements and is therefore considered the basis of life?
oxygen
nitrogen
carbon
hydrogen
Carbon is the element that is able to combine in many ways with different elements and is therefore considered the basis of life.
Which element provides strength to bones?
sulfur
phosphorus
nitrogen
hydrogen
Phosphorus is the element that provides strength to bones.
Which elements make up a water molecule?
hydrogen and nitrogen
oxygen and nitrogen
oxygen and carbon
hydrogen and oxygen
Hydrogen and oxygen make up a water molecule.
Which statement describes carbohydrates?
Carbohydrates store and transmit an organism’s genetic information.
Carbohydrates provide energy to organisms.
Carbohydrates help with an organism’s tissue growth and repair.
Carbohydrates provide an organism with long-term energy storage.