A. DNA in the nucleus.
Our nucleus in each cell encodes messages for other organelles to acquire. The organelles use these messages to sustain everyday activities.
Chloroplasts function to convert solar energy into energy the cell can use in a plant cell.
Vacuoles store water, molecules, waste and other substances.
The answer is style, ovary and stigma.
The pistil is the female part of a flower, and it consists of the style, stigma and ovary. The male part of a flower is stamen, which consists of an anther and corolla.
It's harder to block sound because sound waves and transverse waves, causing the sound to bounce off objects. This isn't the same with light.