Energized Myosin Heads Bind to Actin Only When ____ Is

question 18

Multiple Choice

Energized myosin heads bind to actin only when ____ is present.

• A) ATP
• B) ADP
• C) calcium
• D) phosphorus
• E) sodium

---

Definitions:

Neural Tube Defects

Birth defects of the brain, spine, or spinal cord that occur in the first month of pregnancy due to improper closure of the neural tube.

Folic Acid

A B vitamin essential for cell growth and metabolism, particularly important during pregnancy to prevent neural tube defects.

Pregnancy

The state of carrying a developing embryo or fetus within the female body, typically lasting about 40 weeks from the last menstrual period to childbirth.

Hyperglycemia

A condition characterized by an abnormally high level of glucose (sugar) in the blood, often associated with diabetes and can lead to serious health problems if not properly managed.