The introductory passage describes ways that virophages use megavirus-producing factories in amoeba to reproduce because they are unable to do so independently. compare characteristics of viruses and virophages by dragging the characteristics into the correct bin to indicate whether each is a characteristic of virophages only, viruses only, both, or neither.

The virophages require a bigger virus to double themselves known as the host-virus. They are devoid of the genes for proteins required to double themselves and are always smaller in comparison to archaea and bacteria. On the other hand, in viruses, the genetic information can be in the form of RNA or DNA.  

Both the virophages and viruses possess a protein capsid enveloping their nucleic acid. Both the forms do not belong to any of the three domains, and they cannot replicate on their own. Neither the virophages nor the viruses produce energy via mitochondria.  

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.