How Does the Heater Organ of a Swordfish Produce Heat

question 65

Multiple Choice

How does the heater organ of a swordfish produce heat?

• A)The muscle contracts very rapidly,producing large quantities of heat.
• B)The myosin binds very weakly to the actin,utilizing large amounts of ATP that ultimately produces heat,but no tension.
• C)The sarcoplasmic reticulum releases and recovers large amounts of Ca²⁺,releasing heat as a by-product of these processes.
• D)The muscle fibers are rapidly generated and degraded,which produces large quantities of heat as a by-product.