A: Homeostasis
Reason: cell membrane has nothing to do with question and C and D are terms for sugars
The viruses that lie dormant in host cells until ready to multiply use : Lysogenic cycle
During the lysogenic cycle the virus do not kill the host. It integrate it's dna with the host's so it could lie dormant until it ready to multiply
Hope this helps
The answer is: B) silkworms.
“While sitting in her garden she deduced the secret of silk by watching the silkworms. She developed the process to remove the thread from the cocoon and set up silk cultivation farms and the weaving of the new cloth.” (Source: http://4kyws.ua.edu/SI_LING_CHI.html)
Tides and planetary orbits are caused by the moon