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 57 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?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

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

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

For a complete list of videos, visit our video library