Which statement describes an example of the control of gene expression? A Three types of RNA are made in the nucleus during the process of transcription.
B New polypeptides are made using amino acids brought to ribosomes by tRNA
molecules.
C Certain coding segments of mRNA are assembled after non-coding segments are
removed.
D RNA polymerase matches RNA nucleotide bases to the DNA bases of the coding
stranding

Please help needed by today and please explain:))

The body is protected against harmful flu viruses by

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot. active transport involves transport proteins, and facilitated diffusion does not. facilitated diffusion involves transport proteins, and active transport does not. active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

What drives the atp synthase reactions that produce atp