Answer: A neuron has three main parts: dendrites, an axon, and a cell body or soma , which can be represented as the branches, roots and trunk of a tree, respectively. A dendrite (tree branch) is where a neuron receives input from other cells. Dendrites branch as they move towards their tips, just like tree branches do, and they even have leaf-like structures on them called spines.
The axon (tree roots) is the output structure of the neuron; when a neuron wants to talk to another neuron, it sends an electrical message called an action potential throughout the entire axon.
The features of neurons help them to carry out their function efficiently:
they have a long fibre (axon) so they can carry messages up and down the body over long distances
in a stimulated neuron, an electrical nerve impulse passes along the axon
the axon is insulated by a fatty (myelin) sheath - the fatty sheath increases the speed of the nerve impulses along the neuron
at each end of the neuron are tiny branches (dendrons), which branch even further into dendrites - the dendrites receive incoming nerve impulses from other neurons
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Answer: <u>Lipids can also be broken down into their components(hydrolysis). Reason 1, When you eat fats, they are broken down by your digestive system and turned into products that can be used for other functions. Reason 2, When the body has run out of quick energy, and needs to tap into stored energy.</u>
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Objective Lenses: Usually you will find 3 or 4 objective lenses on a microscope. They almost always consist of 4x, 10x, 40x and 100x powers. When coupled with a 10x (most common) eyepiece lens, we get total magnification of 40x (4x times 10x), 100x, 400x, and 1000x. To have good resolution at 1000x, you will need a relatively sophisticated microscope with an Abbe condenser. The shortest lens is the lowest power, the longest one is the lens with the greatest power. Lenses are color coded and if built to DIN standards are interchangeable between microscopes. The high power objective lenses are retractable (ie 40xr). This means that if they hit a slide, the end of the lens will push in (spring loaded) thereby protecting the lens and the slide. All quality microscopes have achromatic, parcentered, parfocal lenses.
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The justification of the taxation method would be that there is no justification since not everyone is equal so people who have high income should pay more taxes to cover up of the less privilege ones yet it does not mean the one earning more consume more of the resources.
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5.• Cell wall is made up of chitin .
• They are known photosynthetic.
6.Plants are multicellular and eukaryotic, meaning their cells have a nucleus and membrane-bound organelles.
Plants perform photosynthesis, the process by which plants capture the energy of sunlight and use carbon dioxide from the air to make their own food.
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