Answer:
The proper answer is D.
Explanation:
When fertilization occurs, the corpus luteum continuously secrets female hormones and allows implantation. However, if the egg is not fertilized, the corpus luteum starts to degenerate, and the secretion of female hormones stops.
The cell membrane.
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Responding to the environment is the characteristic of life that best describes the process of homeostasis. Homeostasis is the ability of a body or living organism to adjust its internalenvironment in order to maintain astable equilibrium regardless of the external changing conditions.
Answer:
The main difference is the presence of a nucleus.
Explanation:
One of the biggest differences is the presence of a nucleus with an envelope. This is very important because in eukaryotes it is present, but in prokaryotes, the genetic material is in the cytosol, although it's not exactly dispersed, it's slightly grouped. Also, the DNA in prokaryotes is organized in circular chromosomes while in eukaryotes it's organized in linear chromosomes arranged in an X shape. There are many more differences, but these two are the more important ones.