<span> Animals that eat plants are at least on the second trophic level.</span>
Answer:
The correct answer would be the virus envelope.
Viral envelope is a protective covering present around the capsid proteins in some viruses.
It is usually derived from the cell membrane of the host and thus it is composed of lipid and viral proteins.
It provides stability to the viral particle, helps in protecting the viral genome, and aids in the fusion of the virus with the membrane of the host.
Examples of viruses in which envelope is present: herpesviruses, poxviruses, flavivirus, hepatitis D et cetera.
Examples of viruses in which envelope is absent: adenoviridae
, papillomaviridae
, picornaviridae
, caliciviridae et cetera.
The Story of an Hour Theme of Freedom and Confinement. At first, freedom seems like a terrible thing to Mrs. Mallard, who's restricted in lots of ways: through her marriage, by her bad heart, and even inside her home, which she doesn't leave during "The Story of an Hour."
Complex molecules are broken down into smaller molecules during catabolic processes, which results in a net release of chemical energy.
Complex molecules are broken down into simpler ones through catabolic processes, which often result in energy release. In catabolic processes, energy held in the bonds of complex substances, such as glucose and lipids, is released.
There are two main branches of metabolism: the catabolic (or energy-producing) branch and the anabolic (or energy-using) branch. Catabolism is the destructive branch, which produces energy. Larger, more complex molecules are broken down into smaller, simpler molecules in catabolic processes, which release energy in the process.
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Inserting a portion of human DNA into the ring- shaped DNA of bacteria