This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The ion that enters myofibrils and stimulates actin and myosin to shorten the cell (contract) is: ... (Read 77 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Aug 20, 2018
The ion that enters myofibrils and stimulates actin and myosin to shorten the cell (contract) is:
 
  a. iron.
  b. calcium.
  c. sodium.
  d. potassium.

Question 2

Amenorrhea in female athletes is associated with:
 
  a. poor absorption of iron.
  b. loss of lean body mass.
  c. low bone density.
  d. ketoacidosis.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dyrone

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Aug 20, 2018
Answer to Question 1

B

Answer to Question 2

C


notis

  • Hero Member
  • *****
  • Posts: 596
Reply #2 on: Aug 20, 2018
Both answers were spot on, thank you once again


dyrone

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Aug 20, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Myosin Myosin
Cleavage with trypsin and papain separates the myosin heads Cleavage with trypsin and papain separates the myosin heads
Plant Cell Plant Cell
Parts of a Cell Parts of a Cell
A company that makes cell phones has the following cost structure. They have fixed costs of ... A company that makes cell phones has the following cost structure. They have fixed costs of ...
The epigenetic stem cell model proposes that both epigenetic changes The epigenetic stem cell model proposes that both epigenetic changes
Video: Studying the Left and Right Brain Independently

For a complete list of videos, visit our video library