[Answered] Myosin cross bridges attach to actin strands, bend, detach, and then attach lower. These actions ...

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

Author Question: Myosin cross bridges attach to actin strands, bend, detach, and then attach lower. These actions ... (Read 83 times)

Frost2351

Hero Member
Posts: 557

on: Jun 22, 2018

Myosin cross bridges attach to actin strands, bend, detach, and then attach lower. These actions result in the __________ of the muscle fibers.

a. shortening
b. lengthening
c. activating
d. stretching

Question 2

Depolarization of the muscle fiber opens voltage-gated ______ channels, which trigger contractions.

a. Ca2+
b. Na+
c. K+
d. Cl-

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

helenmarkerine

Sr. Member
Posts: 324

Reply #1 on: Jun 22, 2018

Answer to Question 1

Answer: A

Answer to Question 2

Answer: A

Frost2351

Hero Member
Posts: 557

Reply #2 on: Jun 22, 2018

Thank you

helenmarkerine

Sr. Member
Posts: 324

Reply #3 on: Jun 22, 2018

No problem

« previous next »

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Synthesis of the leading and lagging strands

Enzymatic features of DNA polymerase that account for its inability to copy one of the DNA strands a

Cross section of the right forearm

Channel Cross-Sectional Area

Cross-sectional data showing that the amount of effort spent on personal health care increases with

Effleurage (A) and petrissage (B) to lower leg.

Author Question: Myosin cross bridges attach to actin strands, bend, detach, and then attach lower. These actions ... (Read 83 times)

Related Topics

Need homework help now?