Please help!! Do both questions pleaseeee

Which organelle electively permeable membrane to control movement in or out of the nucleus?
A. Cell membrane
B. Centromeres
C. Cell wall
D. Nuclear Evelope

Which organelle is the site of cellular respiration, the release of chemical energy from glucose?
A. Chloroplast
B. Lysosome
C. Ribosome
D. Mitochondria