Answer:
c. They usually have certain special functions.
Explanation:
Multicellular organisms have more than one cell in their body. They exhibit division of labor. This means that various cells of multicellular organisms are differentiated to perform specific functions. Therefore, there are different types of cells in the bodies of multicellular organisms that differ from each other with respect to structure and functions. For example, the cells of root hairs in plants perform the function of absorption of water from the soil while the mesophyll cells of their leaves perform the function of photosynthesis.
Answer:
They are located in the ribosomes.
Answer:
the later stages are small and the tool materials are of better quality than the previous stages.
Explanation:
The stone scrapers and the choppers found at the site of Zhoukoudian points out the fact that Peking men devised several tools for various purposes and to accomplish different tasks. The stones and the bones used to make the tools used to be charred by using the fire. This also indicates that the Peking men had discovered the uses of fire and they used fire for various activities.
Chromatin contains proteins called HISTONES. Histones<span> are highly </span>alkaline proteins found in eukaryotic cell nuclei that package and order the DNA<span> into structural units called </span>nucleosomes. <span>They are the chief protein components of </span>chromatin<span>, acting as spools around which DNA winds, and playing a role in </span>gene regulation<span>.</span>