Chemistry
A substance that cannot be broken down into simpler substances by chemical means.
An element
True
What are the four biomolecules?
Protein, carbohydrates, lipids, nucleic acids
Enzymes are this type of biomolecule
protein
This chemical bond is between two or more atoms that SHARE elections
Covalent bond
What are three special properties of water?
Answers may vary. High specific heat, polarity, cohesion, adhesion, etc.
A lipid is composed of what elements?
Carbon, Hydrogen, Oxygen (occasionally phosphorus but not required for this answer)
Uracil and Guanine are considered which biomolecule?
Nucleic Acids
What are the three main subatomic particles?
Protons, neutrons, and electrons
it is approximately equivalent to the number of protons and neutrons in the atom or to the average number allowing for the relative abundances of different isotopes.
Atomic mass
True or false: Ice is more dense than liquid water.
False.
A carbohydrate is composed of what elements?
Carbon, hydrogen, oxygen
Estrogen and testosterone are which biomolecule?
Lipids
This protein decreases the activation energy of a chemical reaction.
Enzyme
A stable atom has these two things in equal number, always
protons and electrons
What type of bonds hold molecules of water to one another?
Hydrogen bonds
A protein is composed of what elements?
Carbon, hydrogen, oxygen, nitrogen
Maltose is which biomolecule?
Carbohydrate
Which nucleic acid always binds with Adenine?
Thymine
This type of chemical bond involves the transfer of electrons from one atom to another.
Ionic bonding
specific heat
A nucleic acid is composed of what elements?
Carbon, hydrogen, oxygen, nitrogen, phosphorus
Which lipid is liquid at room temperature: saturated or unsaturated?
Unsaturated
What type of reaction removes water and binds peptides together?
dehydration reaction