2027 Update) Essential Biology II W/Lab |
Questions with Verified Answers | 100% Correct
Graded A- Portage Learning.
Question:
What are the two main ways neurotransmitters are cleared from the
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synapse??
Answer:
Inactivating enzymes and reuptake via neurotransmitter transport channels
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Question:
Which type of muscle has the main role of contracting and relaxing so
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that bones can be moved??
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Answer:
Skeletal
Question:
True or False: The thick filaments of a myofibril are composed of actin.?
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Answer:
, False; The thin filaments are composed of action, while the thick filaments
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are composed of myosin
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Question:
Describe the sliding filament model.?
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Answer:
The sliding filament model occurs when a muscle contracts but the thick
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and thin filaments remains the same length while the muscle shortens.
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This is because actin and myosin proteins slide past each other and
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overlap resulting in an unsized change
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Question:
Which of the following ions are involved in rigor mortis??
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Answer:
Calcium
Question:
What are the functions of the three main types of neurons??
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Answer:
Sensory neurons receive information from an organism's external and
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internal environment and transmit the information to the brain.
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