What kind of immune responses do insects have?
A) innate immunity only
B) innate and adaptive immunity similar to that of vertebrates
C) adaptive immunity only
D) They have innate and adaptive immunity, but the adaptive immune system has fewer cells than that of vertebrates.
Answer: A
You might also like to view...
The diagram shows a cell in metaphase. What process occurs in the next phase?
a. A cleavage furrow forms, separating the cells.
b. Chromosomes reach their maximum density.
c. Polar microtubules extend, elongating the cell.
d. Nuclear envelopes form around the chromosomes.
The codon encoding the amino acid methionine functions as a start codon when it occurs at the beginning of a gene
a. True b. False
Myoclonal epilepsy and ragged red fiber disease (MERRF) is a human condition named for the ragged red fibers of skeletal muscle cells and myoclonic epilepsy in affected individuals
People with this disorder have a mutation in a mitochondrial gene for a tRNA, specifically that for lysine. Affected individuals are heteroplastic. Why? A) Interference with translation slows protein formation and therefore maintenance of mutation-bearing organelles. B) Having homoplastic organelles would no doubt be lethal due to curtailed translation. C) Lysine is required in translation of every one of the mitochondrial genes. D) Mutations of this gene affect individuals before birth. E) Mutations of this gene are inherited as dominant characteristics.
Your doctor recommends that you undergo a major surgery. You should ________
A) immediately make an appointment for the surgery B) ignore his or her recommendation C) seek a second opinion from another doctor D) visit the ER