Home >> Flashcards >> Biology >> Bio 210: Exam 3: Chapter 11 Questions and Answers
Shared Flashcard Set
Cards
Term
| To make a muscle contract more stongly, the nervous system can activate more motor units. This process is called |
|
Definition
|
|
Term
| The functional unit of a muscle fiber is the _____________, a segment from one Z disc to the next |
|
Definition
|
|
Term
| Before a muscle fiber can contract, ATP must bind to |
|
Definition
|
|
Term
| Before a muscle fiber can contract, Ca2+ must bind to |
|
Definition
|
|
Term
| Smooth muscle cells have _____________, whereas skeletal muscle fibers do not |
|
Definition
|
|
Term
| Slow oxidative fibers have all of the following except |
|
Definition
|
|
Term
| The minimum stimulus intensity that will make a muscle contract is called _____________ |
|
Definition
|
|
Term
| A state of prolonged maximum contraction is called _____________ |
|
Definition
|
|
Term
| Thick myofilaments consist of mainly of the protein _____________ |
|
Definition
|
|
Term
| The neurotransmitter that stimulates skeletal muscle is _____________ |
|
Definition
|
|
Term
Muscle contains an oxygen-binding pigment called
|
|
Definition
|
|
Term
| In autonomic nerve fibers that stimulate single-unit smooth muscle, the neurotransmitter is contained in swellings called _____________ |
|
Definition
|
|
Term
| A state of continual partial muscle contraction is called _____________ |
|
Definition
|
|
Term
| _____________ is an end product of anaerobic fermentation that causes muscle fatigue |
|
Definition
|
|
