[Answered] The ion that enters myofibrils and stimulates actin and myosin to shorten the cell (contract) is: ...

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

Author Question: The ion that enters myofibrils and stimulates actin and myosin to shorten the cell (contract) is: ... (Read 41 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.

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

« previous next »

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?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Cell culture in a Petri dish

No recombinants are produced without cell contact

bacterial cell

Two sperms are contacting with the egg cell

sperm cell

Imaging cell surface glycoproteins in living cells

Author Question: The ion that enters myofibrils and stimulates actin and myosin to shorten the cell (contract) is: ... (Read 41 times)

Related Topics

Need homework help now?