<em>A reason for disruption of the cell cycle is;</em>
A. Mutation
<u>A mutation in a protein that is meant to either slow or stop the cell cycle can cause a cell to lose control and possibly form cancer.</u>
Flagellum
The flagellum makes it move
Answer:
Biosphere comprises all the living components of the Earth. It also includes organic matter that has not yet decayed.
Explanation:
A theory known as the ecosystem better explains the interaction of the biosphere with the other spheres.
Excreting urea helps in maintaining internal homeostasis by retaining water.
The mammals like humans excrete urea, while reptiles and birds, and some terrestrial invertebrates generate uric acid as waste. Generating uric acid in place of urea is beneficial as it is less toxic and diminishes water loss and the subsequent requirement for water.
This retention of water helps birds and reptiles to sustain internal homeostasis mainly in hot weather.
Answer:
A lipid containing a phosphate group in it's molecule is known as phospholipid.
Explanation:
For example : phosphatidylcholine.
