The nucleolus is where are constructed.

a. proteins
b. mitochondria
c. ribosomes
d. endoplasmic reticulum

The nucleolus is the largest structure in the nucleus of eukaryotic cells where it primarily serves as the site of ribosome synthesis and assembly.
So, the nucleus is where ribosomes are constructed.

You didn’t give us any choices

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.