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Why must the nucleus function be carried out in all cells?
So they can all know what they are doing.
Which 2 things must be compared to explain why almost all cells are small?
1. surface area 2. volume
How do the cell in a single-celled living thing compare with the functions of cells in a multicellular living thing?
All the functions of a unicellular organsim must be carried out in its one cell where as in a multicellular organism (if it is large enough) cells are specialized.
How important thymus gland in keeping your body free from disease?
The white blood cells called T-Cells after being created in the bone marrow migrate to the thymus gland and must stay there for period of time to mature before they can properly function.
Why is the process of respiration important to life?
In human beings respiration means air passing from the nose or mouth via respiratory passages to millions of balloon like sacs, called the alveoli in the lungs. The function of this respiration is to provide the energy the cells in any human body need because our cells get this energy mainly through metabolising glucose with oxygen and thus they need a constant supply of oxygen. Our waste products also need to be carried away by the metabolic process which is mainly carbon dioxide which must be carried away from the cells. Our respiration includes the breathing of air into our lungs, the transfer of oxygen from the air into blood, the transportation of oxygen in our blood to our body cells , the metabolism of glucose with oxygen in our cells and the transport of carbon dioxide to the lungs to be breathed out. When we get involved in exercise, our respiration increases because it needs to compensate for higher energy demands by our muscle cells
Why must the nucleus function be carried out in all cells?
So they can all know what they are doing.
Why must food be digested?
Digestion is necessary because for energy from the food to be released and carried into the cells in our body the food must be broken down into soluble molecules for it to diffuse into the cells. Then energy is released during respiration.
What substances must pass through a cells's membrane for the cell to continue to function?
water and nutrients.
What is the function of identifier proteins?
To indentify a cell. For exmple, if you received blood from a donor because you lost some, the cells that are transplanted into the body, must identify themselves to the body. If the ID checks out, they are free to do what they must. However, if it does not check out (which is usually the case in blood donations), the immune system attacks the invading cells and destroys them. Identifier proteins are almost as unique to an individual as their fingerprint.
How is a cells specialization shape related to its specialized function?
The shape of the cell determines its function. A good example of specialized cell shape is the neuron. They must be very long and lean to permit the nervous system to function. Another example is epithelial cells, as well as skin cells, which bind tightly to one another to form a constant sheet.
Which 2 things must be compared to explain why almost all cells are small?
1. surface area 2. volume
How do the cell in a single-celled living thing compare with the functions of cells in a multicellular living thing?
All the functions of a unicellular organsim must be carried out in its one cell where as in a multicellular organism (if it is large enough) cells are specialized.
Certain actions or functions carried out by a multicellular organism in order to maintain life must also be carried out by it's individual cells list four such actions?
1. Cell division 2. Osmosis 3. Photosynthesis 4. Respiration
Is there a part a cell can live without?
Even though bacteria have no nucleus, they still have to have the DNA in the nucleus of more advance cells. Cells have developed to have all the parts that they need to function, so they must have all.
Do all human cells function in the same way?
They are have basic sorts of functions in that they have a nucleus and other organelles. But beyond that they look and act differently according to what they must do. Nerve cells, muscles cells, skin cells and other are are different. You could tell them apart by using a microscope.
What is the name of the function which must be defined in a Java program?
The main function. Every program must have a main function and it must be declared static.
What are two things all cells must have?
Two things a cell must have are DNA and Ribosomes. Purposes DNA: Without DNA cells can't reproduce or the anythin really. Its like the brain of the cell , without it, you cant function properly. Ribosomes: They are a "must-have" organelle (the name for an organ in a cell) for protein production , the cell's food. Without the cell will "starve" and die.
