The right answer is D) 9 groups of 3 microtubules
Centrioles are the constituents of a so-called centrosome structure: every animal cell has a centrosome, which is made of two centrioles and which together form a functional unit. A centriole consists of nine triplets inclined microtubules, surrounded by a number of proteins.
Answer:
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Explanation: i just need points
To cool down what ever's ging through this piroid, so that an engine doesn't over heat
One evolutionary explanation for why lizards living in the same part of the habitat would have similar characteristics is adaptation. It is a function or structure that is very common in lizards and other animals. If the lizards are leaving in a same part of habitat they will have the same characteristics which they will adapt coming from the same habitat.
Answer:
The exchange of gases between the blood and tissue cells is internal respiration.
