DCas9 Is a Useful Tool in the CRISPER- Cas Toolkit

question 11

Multiple Choice

dCas9 is a useful tool in the CRISPER- Cas toolkit because it can_______ .

• A)bind DNA,but it cannot cut DNA
• B)fluoresce and help researchers locate target sequences
• C)bind DNA,but it cannot travel down the template strand
• D)deactivate the transcription of a gene

---

Definitions:

Digital Rectal Exam

A physical examination where a healthcare provider inserts a finger into the rectum to check for abnormalities of the lower rectum, anus, and pelvis.

Semen Specimen

A sample of semen collected for laboratory analysis or storage, often used in fertility testing or assisted reproductive technologies.

Undescended Testicles

A condition in which one or both testicles fail to move from the abdomen into the scrotum before birth.

Mumps-related Orchitis

Inflammation and swelling of one or both testicles as a complication of mumps infection, typically occurring in post-pubertal males.