Answer:
Explanation:
Make an observation.
Ask a question.
Form a hypothesis, or testable explanation.
Make a prediction based on the hypothesis.
Test the prediction.
Iterate: use the results to make new hypotheses or predictions.
The major components of a cell membrane are phospholipids, glycolipids, proteins, and cholesterol.
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Answer:
Cross-bridges would form in the absence of an action potential from a motor neuron.
Explanation:
The injected calcium ions would bind to troponin. Troponin would make tropomyosin move away from the myosin-binding sites on actin. The presence of free binding sites on the actin would be followed by the contraction cycle. This would include hydrolysis of ATP to energize myosin heads and binding of these heads to actin to form cross-bridges. Therefore, cross-bridge formation would occur without any action potential if calcium ions are injected directly into the muscle.
Hi, Natural Killer Cells secrets chemicals that cause pores to form in the membrane of abnormal cells, leading to cell death.
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Answer: The false one is they are large in diameter.
Explanation:
Soleus muscle fiber is a powerful plantar flexor of the ankle joint. It is located on the back of the lower leg and begin at the posterior part of the fibular head and the medial border of the tibia shaft, they have small diameter and the have ability to exert forces on to the angle joint which make them to have a slow twich speed. They are slow to fatigue and are rich in myoglobin.
