Answer:
Common to all plant species, the cell wall is the tough outer coat that protects the plant cell. The cell wall is mostly carbohydrate‐based, comprising three major classes of polysaccharides: cellulose, hemicellulose and pectin. There are also important structural proteins as well as phenolic and aliphatic polymers.
Explanation:
Answer:
Barley is the best carbohydrate food source which helps in the weight loss and removal of fats from the human body.
Explanation: Barley is belongs to cereal family. It contains high amount of dietary fiber which helps in the satiety (fulness of stomach with less amount of food). Barley contain less amount of fats and energy than other cereals. So for the weight loss, barley is the best food.
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A neuromuscular junction refers to the chemical synapse between the muscle fiber and the motor neuron.
The neuromuscular junction is the site of communication. It's made up of four cell types which are the <em>muscle fibers, motor neurons, Schwann cells, and motor neurons.</em>
The neuromuscular junction also sends signals from the motor neuron to the skeletal muscles. It is responsible for transmitting <em>action potentials </em>from the motor neurons to muscle contractions.
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The Van Allen belts are created by a planet's magnetic field. Therefore C. Earth's magnetosphere is the correct answer
