What is the definition of a hydrocarbon?(1 point)
a single line bonding carbon and hydrogen
large molecules that are produced by living things
electrons shared between two different atoms
a large chain of carbons and hydrogens bonded together
a large chain of carbons and hydrogens bonded together
What do amino acids, fatty acids, and sugars (monosaccharides) have in common?(1 point)
They are made of carbon, oxygen, and hydrogen.
They are made of carbon, oxygen, and nitrogen.
They are used to make proteins.
They are used to make lipids.
They are made of carbon, oxygen, and hydrogen.
What makes amino acids unique from one another?(1 point)
the R group
the long strands of glucose molecules
the amino group
the carboxyl group
the R group
Which compound is a carbohydrate?(1 point)
nucleotide
starch
amino acid
protein
starch
Which compound contains nitrogen?(1 point)
starch
glucose
amino acid
water
amino acid
Which equation best represents conservation of matter?(1 point)
6H 2 O + 6CO 2 → C 3 H 6 O 3 + 3O 2
3H2O + 3CO2 → C6H12O6 + 6O2
6H 2 O + 10CO 2 → C 6 H 12 O 6 + 4O 2
6H2O + 6CO2 → C6H12O6 + 6O2