Which of the Following Represents an Element

question 91

Multiple Choice

Which of the following represents an element?

• A) HF
• B) Se
• C) F₂
• D) CO₂

---

Definitions:

Gene

The basic unit of heredity. Genes are composed of deoxyribonucleic acid (DNA).

Zygote

The initial cell formed when a new organism is conceived, created by the merging of female and male reproductive cells.

Cytosine

One of the four main nucleobases found in DNA and RNA, which pairs with guanine.

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, carrying genetic information.