Distinguish between Real Artery and renal vein

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Explain the cellular functions that occur when antibiotics attack a bacteria cell. a. antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell. b. antibiotics create dormant resistant endospores to preserve the genetic material and rupture the cell. c. antibiotics target the cell wall and form a bridge-like connection to form conjugation. d. antibiotics use binary fission to grow twice its size, replications its dna, and split into two cells.

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.