Which example is most likely an inorganic compound?
methane, which is made of carbon and hydrogen
glucose, which is a sugar made by plants
sodium chloride, which is a salt
human DNA, which is a molecule in cells
Sodium chloride, which is a salt, is most likely an inorganic compound.
Which kind of molecule is used by organisms to store and transmit genetic material?
nucleic acid
carbohydrate
protein
lipid
Nucleic acid is the kind of molecule used by organisms to store and transmit genetic material.
The chart shows the percentage of different elements in the human body.
Which element is the most prevalent in the human body?
nitrogen
hydrogen
carbon
oxygen
The most prevalent element in the human body is oxygen.
Which best describes a molecule?
a unit made of different kinds of elements
a unit made of only one kind of element
a unit made of two or more atoms
a unit made of a single atom
A molecule is best described as a unit made of two or more atoms.
Which element is the basis for all living things and can combine with other elements in many ways?
phosphorus
carbon
oxygen
sulfur
Carbon is the element that serves as the basis for all living things and has the ability to combine with other elements in many ways.
The Venn diagram compares organic and inorganic compounds.
Which statement belongs in the space marked X?
Made from phosphorus and oxygen
Not made from living things
Made from every element except carbon
Not made from elements