Answer:
lol, good luck dude ur gonna need it.
Answer:
because it needs its plasma membrane to live and if it freezes then it dies
Answer:
UV radiation may cause negative regulators (tumor suppressors) to be under-expressed. UV radiation may cause positive regulators (oncogenic) to be over-expressed.
Explanation:
I found this on a quizlet. So credits to them- :)
Functions of cell surface Receptors .
most ligands responsible for cell-cell signaling ( including neurotransmitters, peptide, hormones, and growth factors) bind to receptors on the surface of their target cells.
Answer: DNA has thymine as one of the two pyrimidines while MRNA has uracil as its pyrimidines base.