Answer: a
Explanation: transcription takes place in the nucleus. RNA leaves the nucleus to go to the ribosome where translation occurs.
Answer:
Explanation: Guard cells in the plants prevent water loss from it in cases of soil dryness or high temperature by closing themselves. If this does not happen, water will keep leaving the plant by the process of transpiration in these harsh conditions and the plant will not have the important medium for the homeostasis process to continue.
Lymphoid organs in the immune system, includes the bone marrow
The building blocks of proteins is Amino acids and nucleic acids is Nucleotides
I would recommend b. cause the moon does help tides