Which of the following is not a characteristic of prokaryotes?
cell wall
#1
cell wall

#2
cell membrane

#3
endoplasmic reticulum

#4
dna

The infrared (ir) and the ultraviolet(uv) represent the two extremities of the visible spectrum (400-700nm). while ir represents electromagnetic radiation with wavelengths longer than those of visible light, uv represents wavelengths shorter than visible light

The answer is d i think

Idon’t understand do it say more wym

A  reaction  in which  energy  is  released  to the surroundings is called an exothermic  reaction. in this type of  reaction  the enthalpy, or stored  chemical energy, is lower for the products than the reactants. when ammonium nitrate is dissolved in water,  energyis  absorbed  and the water cools.