Effector cells
a. are fully differentiated lymphocytes.
b. manufacture and secrete antibodies.
c. can develop from either T or B cells.
d. secrete antibodies or interleukins depending on
their origin.
e. include all of these descriptions.
Answer: e
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The total genetic complement of ALL cells within a microbial community is called a(n)
A) chromosomal island. B) interactome. C) metagenome. D) metabolome.
This forms a seal that prevents the movement of substances between cells, for instance from the intestinal lumen into the blood.
A. gap junctions B. tight junctions C. desmosomes D. hemidesmosomes E. focal adhesions
Hereditary information in all eukaryotes, prokaryotes, and viruses is stored in ____
a. proteins b. lipids c. nucleic acids d. carbohydrates e. amino acids
Fertilization is internal in sharks
Indicate whether the statement is true or false