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 77 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?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Physical therapist assisting a patient to walk in the parallel bars. Physical therapist assisting a patient to walk in the parallel bars.
Origin and insertion of a muscle. Origin and insertion of a muscle.
Desmosomes and gap junctions, as shown in heart muscle. Desmosomes and gap junctions, as shown in heart muscle.
Evaluating the Physical Characteristics of Urine Evaluating the Physical Characteristics of Urine
Skeletal muscle Skeletal muscle
Smooth muscle Smooth muscle
Video: Fermentation - When Oxygen Is Absent, Pyruvate to Lactate & Pyruvate to Ethanol

For a complete list of videos, visit our video library