Molecules That Regulate Defense Responses Via Signal Transduction Pathways Are

question 60

Multiple Choice

Molecules that regulate defense responses via signal transduction pathways are called ____.

• A) complement proteins
• B) histamines
• C) macrophages
• D) cytokines
• E) defensins

---

Definitions:

Hereditary Material

Genetic information passed from parents to offspring, primarily consisting of DNA or RNA in certain viruses.

DNA

A double-stranded molecule consisting of nucleotides arranged in a helical structure, serving as the hereditary material in most organisms.

Purines

Nitrogenous bases found in DNA and RNA that include adenine (A) and guanine (G), playing a crucial role in encoding genetic information.

Pyrimidines

One of the two types of nitrogenous bases found in nucleic acids, including cytosine, thymine (in DNA), and uracil (in RNA).