Answer:
Dead plant matter
Explanation:
Saprotrophs feed by a process known as absorptive nutrition, in which the nutritional substrate (e.g., dead organism or other nonliving organic matter) is directly digested by a variety of enzymes that are excreted by the saprotroph.
The answer is C
Nucleic Acids
Answer:
I think it's interferon.
Explanation:
Interferons are substances produced by cells in the body to help fight infections and tumors. So, it would make sense if they don't have interferon, with severe combined immunodeficiency.
Sugars, or carbohydrates, have two major functional groups: an aldehyde or a ketone (both are collectively called carbonyls), and an alcohol functional group. Carbohydrates generally have multiple alcohol functional groups, so we never focus on those.