Most of the cells are made of mostly Cytoplasm. It contains all the living materials in a cell except for the nucleus. This gel-like area of the cell contains the chemical needed by the cell it resembles the white part of a raw egg.
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?? I don't know what these means
I'm not sure what you mean by this but here is a diagram of a nephron!! Hope this helps?
Darwin's plans to find out about simulated choice by examining pigeons is that he needed to learn whether you can change the entire species taking after that particular pigeon into another type of pigeons. I hope the answer will help you.
The lytic cycle usually takes 30 minutes.