Sallwaler 5. What is produced when an acid is mixed with water?
A- oxygen ions
B- hydroxide ions
C- oxygen atoms
D- hydrogen ions

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.