How Is the Activity of a Riboswitch Controlled

question 24

Multiple Choice

How is the activity of a riboswitch controlled?

• A) by other riboswitches
• B) metabolite binding can change its structure
• C) sigma factor binding alters its structure
• D) small RNA complementary binding disrupts its function

---

Definitions:

Suprachiasmatic Nucleus

A tiny region of the brain in the hypothalamus, responsible for controlling the circadian rhythm or the body's internal clock.

Melatonin

A hormone secreted by the pineal gland that regulates sleep and wakefulness.

Glucocorticoid

One of a group of steroid hormones, such as cortisol, secreted in times of stress; important in protein and carbohydrate metabolism.

EEG Patterns

Distinctive electrical activity patterns of the brain, as recorded by electroencephalography, that can indicate normal or abnormal brain function.