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IB SEHS Topic 4.3

Authored by Charles Martinez

Science

11th - 12th Grade

NGSS covered

IB SEHS Topic 4.3
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37 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Opening the door by a handle is an example of....

1st class lever

2nd class lever

3rd class lever

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Biceps curl is an example of...

1st class lever

2nd class lever

3rd class lever

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The neurotransmitter stored in the axon terminal identified as #3

Acetylcholine
Protein Channel
Calcium Ion (Ca2+)
Syanptic Cleft

Tags

NGSS.MS-LS1-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The organelle that contains actin and myosin.

Tendon
myofilament
myofibril
Fiber

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two chemicals are necessary for muscle contraction to occur?

Niacin and Potassium
Calcium and ATP
Sodium and Potassium
Ach and Potassium

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a crossbridge?

Where myosin binds to actin
Where the calcium crosses into the cytoplasm
Where calcium binds with troponin
None of the answers are correct.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

___ and ___ are regulatory proteins bound to actin. 

Troponin and tropomyosin
Myosin and actin
Calcium and Oxygen
Glycogen and hemoglobin

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