Which of the Following Is NOT a Good Candidate for a Primary

question 44

Multiple Choice

Which of the following is NOT a good candidate for a primary key field for a Customer table?

• A) Last Name
• B) Customer Number
• C) Employee Identification Number
• D) Customer ID

---

Definitions:

Telomerase

A special DNA replication enzyme that can lengthen telomeric DNA by adding repetitive nucleotide sequences to the ends of eukaryotic chromosomes; typically present in cells that divide an unlimited number of times.

Cancerous Cells

Cancerous cells are abnormal cells that divide uncontrollably and have the potential to invade and spread to other parts of the body, forming tumors.

Telomere Length

The length of the protective caps at the end of chromosomes, which shortens with each cell division and is associated with aging.

Apoptosis

Apoptosis is the programmed cell death, a process crucial for maintaining healthy tissue dynamics and eliminating damaged or diseased cells.