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

Author Question: Physical evidence that supports the sliding filament theory of muscle contraction includes A) ... (Read 31 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Feb 28, 2019
Physical evidence that supports the sliding filament theory of muscle contraction includes
 A) constant distance between Z lines during contraction.
  B) decreased width of the H band during contraction.
  C) increased width of the I band during contraction.
  D) decreased width of the A band during contraction.
  E) the I band + H band distance is constant during contraction.

Question 2

When calcium ion binds to troponin,
 A) tropomyosin rolls away from the active site.
  B) active sites on the myosin are exposed.
  C) actin heads will bind to myosin.
  D) muscle relaxation occurs.
  E) myosin shortens.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bimper21

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Feb 28, 2019
Answer to Question 1

B

Answer to Question 2

A


sabina

  • Hero Member
  • *****
  • Posts: 563
Reply #2 on: Feb 28, 2019
TY


bimper21

  • Sr. Member
  • ****
  • Posts: 309
Reply #3 on: Feb 28, 2019
You're welcome


« previous next »
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Evidence for big game hunting by archaic H. sapiens is suggested by the excavations at the Boxgrove Evidence for big game hunting by archaic H. sapiens is suggested by the excavations at the Boxgrove
Injecting the ventrogluteal muscle. Injecting the ventrogluteal muscle.
Early geologists discovered evidence of past glaciations in U-shaped valleys Early geologists discovered evidence of past glaciations in U-shaped valleys
At what speed does Grogzetti need to take the curve to avoid sliding? At what speed does Grogzetti need to take the curve to avoid sliding?
A Sociological Timeline of Major Figures in the Development of Sociological Theory, 1820–1960 A Sociological Timeline of Major Figures in the Development of Sociological Theory, 1820–1960
Mucus and Cilia: Physical Barriers Mucus and Cilia: Physical Barriers
Video: Cellular defenses (natural killer cells, phagocyte types & process of phagocytosis)

For a complete list of videos, visit our video library