Q: What is a change in the sequence of bases in dna or rna called? Choices: - radiation - infection - evolution - mutation A:
mutation

Q: What is the name of the liquid component of a solution? Choices: - ionic - reactant - solute - solvent A:
solvent

Q: Q: Why do sodium and chloride ions attract each other? Choices: - sulfides attract - magnetism - like attracts like - opposites attract A:
A: opposites attract

Question: Q: All atoms of the same element have the same number of what? Choices: - electrons - molecules - charge - protons A:
Answer: protons

*Question*
Q: Glutathione is a low-molecular-weight compound found in living cells that is produced naturally by what? Choices: - blood - brain - amino acids - liver A:
**Answer**
liver

Q: Q: The shapes of minerals form as they are broken along what planes? Choices: - parallel planes - sedimentary planes - calcium planes - cleavage planes A:
A: cleavage planes