Vhich two cell organelles are required for protein synthesis? A. nucleus and chloroplast
B. nucleus and ribosome
C. ribosome and vacuole
D. mitochondrion and cell membrane

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

The size (radius) of an oxygen molecule is about 2.0 ×10−10m. make a rough estimate of the pressure at which the finite volume of the molecules should cause noticeable deviations from ideal-gas behavior at ordinary temperatures (t= 300k ). assume that deviatons would be noticeable when volume of the gas per molecule equals the volume of the molecule itself.

Which term means two or more atoms that share electrons in a chemical bond? a. hydrogen bond b. moleculec. ionic bondd. element amd you