Klinfelters syndrome is when there is an extra X chromosome in males.
So instead of the normal sex chromosomes for males (XY), a male with klinefelters syndrome will have XXY.
I have included a pic of the karyotype to give you a better idea of what I'm talking about.
Hope this helps! I'm happy to help with any other questions you might have :)
Enzymes speed up chemical reactions within the body, including reactions in metabolism
Answer:
The answer is natural selection.
Explanation:
Natural selection will make an organism to survive and reproduce because, it will be better suited to the environment.
This is the reason why natural selection is considered as a key mechanism of the evolution.
Answer:
Stage two: carbon fixation
The ATP is broken down to release energy which is used to combine hydrogen (from the light reactions) with carbon dioxide to produce sugar. The reactions of carbon fixation are controlled by specific enzymes.
Explanation: