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 55 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?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

The direction of plant cell expansion is controlled by microfibrils and microtubules. Plant cells en The direction of plant cell expansion is controlled by microfibrils and microtubules. Plant cells en
Schematic of typical plant cell Schematic of typical plant cell
Steps in the humoral and cell-mediated immune response Steps in the humoral and cell-mediated immune response
When the exhaust is lean, the PCM applies a positive current into the pump cell. When the exhaust is lean, the PCM applies a positive current into the pump cell.
The stages comprising an arbitrary cell cycle The stages comprising an arbitrary cell cycle
The eukaryotic cell cycle consists of two parts: (1) interphase and (2) mitosis followed by cytokine The eukaryotic cell cycle consists of two parts: (1) interphase and (2) mitosis followed by cytokine
Video: Inflammation and Fever

For a complete list of videos, visit our video library