Both. You can use it as singular or plural.
What is the choices for the blank?
Enzymes are considered catalysts, they help reactants and can be used over and over
Answer:
Homologous pairs of cells are present in meiosis I and separate into chromosomes before meiosis II. In meiosis II, these chromosomes are further separated into sister chromatids. Meiosis I includes crossing over or recombination of genetic material between chromosome pairs, while meiosis II does not.
Explanation:
Brainliest please?
