What are the building blocks of nucleic acids called?
a. nuclear membranes.
b. nucleoli.
c. nucleotides.
d. carbohydrates.

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

Where can a dna be found in a prokaryotic cell

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems