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The Chemical Basis of LIfe

Hint: Some questions have more than one correct answer.

1. The basic unit of macromolecules is a small molecule called a(n)
protons, neutrons, electrons build your own quiz , nucleus,
2. Carbon can form
positive, negative, neutral, negative positive, neutral, neutral, positive, negative, none of the above,
3. The structure of ________________ makes it uniquely suited to form the molecules essential to life.
TRUE, FALSE, ,
4. Molecules that contain carbon are called organic compounds.
chemical bonds, bandaids, glue, pure luck,
5. A molecule is a combination of atoms of more than one element that are always present in the same ratios and arrangement.
TRUE, FALSE, ,
6. A ________________ is a change in the arrangement of atoms that yields different substances.
form between atoms when the atoms are more stable together than they are apart., are the reason for the V-shape of water molecules., are a type of chemical bond in which the electrons are shared by a pair of atoms., are formed in the outter most layer of electrons.,
7. A covalent bond is a form of chemical bond in which the electrons are shared by a pair of atoms.
covalent bond, ionic bond assess performance , chemical reaction learning , universal solvent,
8. Dehydration synthesis
oxygen, carbon, water, aluminum,
9. The basic unit, of physical material, living or nonliving, is the atom.
TRUE, FALSE, ,
10. A chain of repeating monomers forms a polymer.
a single covalent bond, double covalent bonds, triple covalent bonds, all of the above,
11. Protons have a _________ charge, electrons have a ____________ charge, and neutrons have a _____________ charge.
TRUE, FALSE, ,
12. Each of the four electrons in carbon%27s outermost electron layer can be shared in covalent bonds.
polymer, monomer, amino acid, biochemical molecule,
13. Molecules are held together by
TRUE, FALSE, ,
14. Covalent bonds
is two monomers combined by a covalent bond where the monomers release hydrogen and oxygen atoms and a water molecule is created., is the opposite of hydrolysis. The polymers return to monomers when water is added. create online quizzes , is a state of homeostasis, all of the above,