Which of the Following Statements Is True

question 113

Multiple Choice

Which of the following statements is true?

• A)A covalent bond is formed through the transfer of electrons from one atom to another.
• B)A pair of electrons involved in a covalent bond are sometimes referred to as "lone pairs."
• C)It is not possible for two atoms to share more than two electrons.
• D)Single bonds are shorter than double bonds.
• E)A covalent bond has a lower potential energy than the two separate atoms.

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Definitions:

Chromatin

The complex of DNA and proteins, mainly histones, that forms chromosomes within the nucleus of eukaryotic cells.

Visible Chromosomes

Chromosomes that are condensed and made visible under a microscope during cell division.

Sister Chromatids

Identical copies of a chromosome, connected by a centromere, formed during DNA replication and present until they are separated into two daughter cells during cell division.

Cohesin Proteins

Proteins that hold sister chromatids together, ensuring they are correctly segregated during cell division.