Which Statement Best Describes an Atom

question 38

Multiple Choice

Which statement best describes an atom?

• A) A substance that cannot burn.
• B) A substance that is soluble in both acid and base
• C) A substance that is held together by covalent bonds
• D) A substance that is composed of more than one kind of atom
• E) A substance that cannot be broken into a simpler substance

---

Definitions:

Nuclear Divisions

Processes such as mitosis and meiosis, where a cell's nucleus divides, leading to the distribution of genetic material into daughter nuclei.

Nuclear Envelope

The double-membraned structure that encloses the nucleus of a cell, separating its contents from the cytoplasm.

Prometaphase

A stage of mitosis where the nuclear envelope breaks down, and the spindle fibers attach to the kinetochores of chromosomes.

Centromeres

The region of a chromosome where the two sister chromatids are joined, playing a crucial role in the movement of chromosomes during cell division.