Polymers are defined as large molecules assembled from smaller, individual molecules.
Answer: B)
Explanation:
Hence, the correct answer is 'Nuclear membrane'.

A Non-metal and a Metal react together to form an ionic bond
metals lose electrons to match the numbers of their nearest noble gas
Water evaporates from the ocean and land surfaces, is held temporarily as vapour in the atmosphere, and falls back to Earth's surface as precipitation. ... Water that infiltrates Earth's surface becomes groundwater, slowly seeping downward into extensive layers of porous soil and rock called aquifers.
A is the correct answer. Proteins are formed from amino acids. Amino acids come from RNA instructions . The RNA comes from DNA inside the nucleus.