Which of the Following Statements Regarding Biomolecules Is False

question 42

Multiple Choice

Which of the following statements regarding biomolecules is false ?

• A) They contain predominantly ionic bonds.
• B) They contain predominantly nonmetallic elements.
• C) Carbon is the key element.
• D) Specific stereoisomers are essential in most cases.

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Definitions:

XY

A 23rd chromosome pair that consists of an X-shaped chromosome from the mother and a Y-shaped chromosome from the father. XY zygotes become males.

Chromosomes

Threadlike structures made of DNA molecules that contain the genes and are located in the nucleus of cells.

X Chromosomes

One of the two types of sex chromosomes, where two X chromosomes typically characterize females and one X and one Y chromosome characterize males.

Monozygotic Twins

Twins that result from one fertilized egg splitting and developing into two embryos, sharing identical genetics.