This topic contains a solution. Click here to go to the answer

Author Question: The series of membranous channels that surround each myofibril is the A) sarcoplasmic reticulum. B) ... (Read 32 times)

jho37

  • Hero Member
  • *****
  • Posts: 531
The series of membranous channels that surround each myofibril is the
 A) sarcoplasmic reticulum.
  B) sarcoplasm.
  C) sarcomere.
  D) sarcolemma.
  E) endomysium.

Question 2

At rest, active sites on the actin are blocked by
 A) myosin molecules.
  B) troponin molecules.
  C) tropomyosin molecules.
  D) calcium ions.
  E) ATP molecules.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stallen

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

A

Answer to Question 2

C





 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

For a complete list of videos, visit our video library