5. The shapes of cells are related to their functions'. Justify this statement with the help of some examples.
Answers
Answer:
A common theme in biology is how shape affects function. ... Red blood cells- Red blood cells are shaped like a flat disc which contains a divot in the center. This allows the blood to be "squishy" in order to be squeezed throughout the veins and arteries so that it can transport gases and nutrients throughout the body.
Explanation:
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Answer:
Cells that have been specially designed to perform a particular function are known as specialized cells. Nuclei control these differences.
Explanation:
Ciliated Epithelial Cells: are found on lining of the trachea and bronchi and oviducts. They move mucus and other particles by sweeping motion. They have cilia a fine hair like structure that beat in rhythm to move bacteria out of lung (windpipe) and move the ovum down (oviduct)
Xylem Cells: Function is to carry water to other cells. The middle cell wall, nucleus and cytoplasm are damaged to allow it to do such function (becoming a long thin hollow tube)
Red Blood Cells: Function is to carry oxygen to cells, it have no nuclease, Cells can be squeezed into vessels. Mostly have a biconcave structure to allow surface area to carry oxygen in.
Other examples you can explain is white blood cell, muscle cell, gametes, nerve cells, palisaded cells(many chloroplasts to capture more sunlight, all there structures are transparent, packed closely together to collect as much sunlight as possible)
Ok I will explain Nerve cell and the gamete sperm for you
Nerve cell: Used to carry electrical impulses across the body and connecting o CNS. There structure is long to decrease the amount of transmissions and make it more efficient. There nerve endings only include neurotransmitter to keep impulse moving in one direction.
Sperm, Have a strong wall I don't remember its name so it can I don't remember also. Have flagellum (tail like structure) so it can swim to the oviduct to fertilize the ovum. Cell have mitochondria so it can supply energy for such movement.
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