Scientists Recently Identified a Gene That Is Linked with Ovarian

question 6

Multiple Choice

Scientists recently identified a gene that is linked with ovarian cancer. Variations in the KRAS gene occur in one-quarter of women with ovarian cancer. Thus, KRAS is considered a __________.

• A) type of stem cell
• B) genetic marker
• C) vector
• D) DNA profile

---

Definitions:

Weak Acid

An acid that partially dissociates into its ions in solution, resulting in a less complete release of hydrogen ions.

Reaction Rate

The speed at which a chemical reaction occurs, influenced by factors such as temperature, concentration, and presence of catalysts.

Reactant Concentration

The amount of a substance present in a unit volume of a reaction mixture, influencing the rate at which a chemical reaction proceeds.