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 27 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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Your heart beats over 36 million times a year.

For a complete list of videos, visit our video library