Klinefelter syndrome
Klinefelter syndrome (KS), also known as 47, XXY, is a syndrome where a male has an additional copy of the X chromosome. The primary features are infertility and small, poorly functioning testicles. Often, symptoms are subtle, and subjects do not realize they are affected.
It looks like this:
Causes: Two or more X chromosomes in males
Complications: Infertility, autoimmune disorders, breast cancer, venous thromboembolic disease, osteoporosis
Treatment: Physical therapy, speech and language therapy, counseling
Usual onset: At fertilization
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Answer:
When an E.coli cell is infected by multiple phages,they will take either lytic or lysogenic pathway.
Explanation:
When lambda phage bacteriophage infects an E.coli,it can either undergo lytic cell growth and lyse the host cell or enter lysogenic pathway.
The operator region of lac operon in E.coli contain single repressor binding site whereas the lambda operators 
and 
each contains 3 repressor binding sites (
and 
) that are differently occupied under different conditions.
The differential affinity of lambda repressor for the three binding sites in these operators play an important role in the maintenance of lysogenic state of lambda prophage in E.coli.
The lytic development occurs in cells infected with lambda phage that carry 
gene.
In contrast,lysogeny will occur in bacteria that infected with lambda phage that harbor a deletion of Cro gene.
Answer:
The frog belongs to the class amphibia, which live both on water and land.
Explanation:
Frogs spend part of their lives underwater and part on land.
This would be enzymes made of proteins.
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I would say that "any more" has to do with quantity (would you like any more bread?), and "any longer" with time or duration (we are not friends any longer, although I believe it would be also correct to say "any more" in this case).
