Answer:
Viruses are not living things. One reason viruses are not alive is because they require a host to survive and reproduce. A second reason a virus is not alive is because they do not stimuli. A final reason that a virus is not alive is that they are not made up of cells. All living things can reproduce without a host, are made up of cells and react to stimuli except viruses, so they are not living.
Answer: The nucleus of a cell is like your parents. Your parents control most of things that take place inside your house. The nucleus can be represented as the brain because the brain tells the body what to do just like what the nucleus does for the cell. Without the brain you could not live.
It is the process in which an embryo, and later a fetus, develops and grows.
Every cell in your body contains organelles (structures that have specific functions). Just like organs in the body, each organelle contributes in its own way to helping the cell function well as a whole.
The nucleus, mitochondria and chloroplasts are all organelles.
Some organelles are found only in some cell types. They have roles that are important to the specific function of that cell type Chloroplasts (left) are the site of photosynthesis in plant cells, storage granules provide a storage site for proteins in secreting cells, and microvilli aid absorption of nutrients during digestion by increasing the surface area of cells in the intestinal wall, an organelle is a specialized sub unit within a cell that has a specific function. Individual organelles are separately enclosed within their own lipid bi layers .The name organelle comes from the idea that these structures
are parts of cells, as organs are to the body. Organelles are identified by microscopy, and can also be purified by cell fractionation.
There are many types of organelles, particularly in eukaryotic cells. While prokaryotes do not possess organelles per see, some do contain protein-based bacterial micro compartments, which are thought to act as primitive organelles.
Microscopic function of an organelle is shown in the diagram,as an organelles can't be seen by a naked eye.
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