The nucleotides in DNA contain four different bases, those of which being nitrogenous bases.
The four bases are:
1 - Thymine
2 - Cytosine
3 - Adenine
4 - Guanine
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All living things are made of cells. Within cells, there are tiny working parts called organelles. They each have a different job in the cell. A centriole is an organelle that helps cells divide, or make copies of themselves......
Centrioles are made of nine triplets of microtubules arranged in a cylinder.
For more info-
study.com/academy/lesson/centriole-definition-structure-function.html
Answer:
It is a physical adaptation
Explanation:
Webbed feet does not change the way the animal acts but it had to adapt webbed feet physically to survive in its habitat/surroundings