Do all cells express all their genetic information at all times? Please explain, I need just the answer, please don't just put something for the points, I will report.

Thank you!

What is involved in redox reactions

What causes the phospholipids to organize themselves the way they do

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism