Question

Proteins that are produced in a disease tissue and can act as a means of tracking a disease's progression (such as PSA in prostate cancer) is known as ________.

an embryonic marker

a biomarker

an STR

a microarray

a tag

Answer 1

a biomarker

Step-by-step explanation:

Since it was first described as a prostate specific protein, the level of PSA in blood has become the most commonly used molecular marker for screening, diagnosis and management of PCa and indeed is the most widely used screening marker for any cancer