[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 85 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?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Many ideologies stem from older theories. The ideas of the philosophers are simplified. Ideologies

Filament (Actin, myosin)

Clear the lower leg with long strokes. Start proximal to the ankle, and stroke to the knee and ...

Actions of glucagon in liver that lead to a rise in blood glucose

Cytoskeletal actin and nonmuscle myosin II in fibroblasts

Capital’s Share of Income in a Cross-Section of Countries

Author Question: Myosin cross bridges attach to actin strands, bend, detach, and then attach lower. These actions ... (Read 85 times)

Related Topics

Need homework help now?