Muscle Contraction Worksheet Form PDF Details

Are you looking for a way to improve your understanding of muscle contraction? If so, then our Muscle Contraction Worksheet Form is sure to be the perfect resource for you! This comprehensive form can help clarify how muscles action works in the body, allowing you to gain valuable insight into this active and complex process. With clear diagrams, descriptions and explanations provided throughout this worksheet, you'll be able to gain an in-depth knowledge about muscle contraction and its uses on physiology. Our Muscle Contraction Worksheet will provide you with a solid foundation from which to start researching further topics surrounding muscles as well as giving insight into relevant scientific principles related to it. Dive in today and get started learning all there is to know about muscular contractions!

QuestionAnswer
Form NameMuscle Contraction Worksheet Form
Form Length3 pages
Fillable?No
Fillable fields0
Avg. time to fill out45 sec
Other namesmuscle contraction internet activity answer key, internet assignment muscle contraction worksheet answer key, internet assignment muscle contraction worksheet, energy for muscle contraction worksheet answers

Form Preview Example

Name: ________________________

Date: _______________ Per: _____

Internet Investigation: Muscle Contraction Worksheet

Type in the following web address, or go to the class webpage and click on the link http://www.brookscole.com/chemistry_d/templates/student_resources/shared_resources/animatio ns/muscles/muscles.html

Answer the following questions as you progress through the lesson.

1.A ___________________ is a single skeletal muscle cell.

2.Muscle fibers are made up of fiber bundles that contain hundreds of _______________.

3.Identify the structures of the muscle fiber below by using the words provided. You may write the whole word or just the letter.

A

B

C

D

E

F

G

H

I

4.Match the descriptions with the correct muscle fiber structure. Use the words above, and put the letter on the line next to the matching description. (Not all words will be used)

______ i. Composed of a T-tubule, the terminal cisternae, and gaps.

______ ii. Cylindrical structures that carry out contraction

______ iii. Extensions of the sarcolemma that separate the sarcomeres

______ iv. Specialized plasma membrane of the skeletal muscle cell; forms membrane connections between each of the sarcomeres.

______ v. The specialized endoplasmic reticulum of the skeletal muscle cell

______ vi. Units of the myofibrils

5.Identify the parts of the sarcomere below by using the words provided. You may write the whole word or just the letter.

A

B

C

D

6.Match the descriptions with the correct sarcomere part. Use the words above, and put the

letter on the line next to the matching description. (Not all words will be used)

______ i. The bands that mark the sarcomere’s borders

______ ii. The bands that mark the middle of the sarcomere

______ iii. Under a micrograph, they are the lightest and least dense structures; composed of actin, troponin, tropomyosin

______ iv. Much more dense than thin filaments; composed of myosin

Name: ________________________

Date: _______________ Per: _____

7.Who were the contributing scientists that discovered how muscle contraction worked?

8.The distance between the ends of the thin filaments was known as ______________.

9.The distance between the thick filaments of one sarcomere and the thick filaments of an adjacent sarcomere was known as the _____________.

10.The length of the thick filaments was known as the _______________.

11.Identify the areas in the following picture below 1______________

2______________

3______________

12

3

12.The ____________ and ___________ shortens, but the ____________ does not shorten during muscle contraction.

13.Chemically, muscle contraction is driven by ______________________ and triggered by the release of _______ from the sarcoplasmic reticulum.

14.Ca2+ binds to ____________________ in the thin filaments, exposing the myosin binding sites on actin.

15.The movement where the myosin head pulls the thin filaments inward is called the

________________________.

16.Place the following events in order by placing a number (1-6):

_______ Power stroke (ADP and P dissociate from myosin).

_______ Thin filament returns to relaxed state

_______ Ca2+ binds troponin causing a conformational change of the thin filament

_______ Myosin heads bind to actin

_______ Electrochemical signal causes release of Ca2+ from sarcoplasmic reticulum

_______ ATP binds myosin head

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