We need carrier proteins for steroid hormones because they help in the transportation from the cell they were released from to their target cell.
let me know if you have any further questions
:)
<span>Yes, both prokaryotes and eukaryotes have liquid cytoplasm in their construction. To the best of my knowledge, AT LEAST MOST viruses do as well, if not all. However, their cell structures are relatively primitive and their cytoplasm is viscous and granular.</span>
three domains , archae- 1st appeared, prokaria- not closed by nucleus and eukaria closed by nucleus
The investment in education and training for people.
In general for everyone, these are the most likely group of people i've chosen mature; grandparents(grandma,granddad), parents (mom,dad), your teacher.