Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division. Each spindle fiber forms during cellular division near the poles of the dividing cell. As they extend across the cell, they search for the centromere of each chromosome
Answer:
c. Biosphere
Explanation:
The biosphere, also known as the ecosphere, is the worldwide sum of all ecosystems. It contains all living things above and below the surface of the Earth.
1. You can have an infinite amount of proteins from only a few amino acids, it would be all in the way they are tied together.
2. Lipids are not considered polymers because the base units of lipid are not considered monomers
3. carbohydrates have a 5-carbon ring.
Lipids have long tails of fatty acids, CH2
The bird fossil Archaeopteryx is a species linking dinosaurs and birds.