Two Isotopes of an Element Differ in Their

question 98

Multiple Choice

Two isotopes of an element differ in their

• A)symbol.
• B)atomic number.
• C)atomic mass.
• D)number of protons.
• E)number of electrons.

---

Definitions:

Epigenesis

The process by which genetic information is expressed and modified by environmental factors without altering the DNA sequence.

Hippocampus

The region of the forebrain that plays a role in emotions, the ability to remember, and the ability to compare sensory information to expectations.

Caregiving Behavior

Actions and activities performed to meet the physical, emotional, or social needs of another person.

Regulator Genes

Genes that control or regulate the expression of other genes, influencing various biological processes and traits.