Both flagella and cilia have a common structural arrangement of microtubules referred to as "9 + 2 array." A single cilium or flagellum is made up of string of nine microtubule doublets that surround a single microtubule doublet in the center.
Flagella are hair-like structures which are usually long and they extend from the plasma membrane. They are used to propel or move an entire cell, for example sperm cell.
Cilia are short hair-like structures that are used to move entire cells. An example is paramecia. Cilia can also be found lining the outer surface of cells such as those of the respiratory tract where they move trapped particles up toward the nose and mouth.
Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.
They are vital for life and serve a wide range of important functions in the body, such as aiding in digestion and metabolism.
It prevents dust from settling on the scope and in the lenses. Also, if working in a lab, a cover can prevent contamination.
I would say that the first flower attracts birds etc. t go and drink it's nectar (also I know that humming birds are attracted to red), and thus spread it's pollen. The second flower most likely attracts bees seeing how t is also sweetly scented, but has no nectar. This must mean that it only has pollen, which bees are great at spreading! I have no clue about the last one....Maybe bugs or bats?? Those are the only other pollinators I know of. It could possibly be that there is no pollinator for the third flower and it just tries to keep animals and insects from eating it with it's shape and odor and just relays on the wind for pollination.<span />
Answer:
Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). ... Independent of the motion of sound through the medium, if the medium is moving, the sound is further transported.
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