An inflammation-causing signal released by mast cells at the site of an infection is _____
A) an interferon
B) lymphatic fluid
C) histamine
D) mucus
E) sodium ions
Answer: C
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In genomic imprinting:a
a gene is imprinted in the progeny, depending upon the phenotype of the parent. b. the expression of a gene depends on the parental phenotype. c. a gene is imprinted in the progeny, depending upon the age of the parent. d. the expression of a gene in the progeny depends upon which parent the gene is inherited from. e. only dominant traits are expressed.
Why do free-living bacteria, such as Escherichia coli with 4000 genes, have more genes than intracellular bacteria?
What will be an ideal response?
A confidence interval can be constructed for which of the following population parameters?
A. Population standard deviation B. Population variance C. Population mean D. All of the answers are correct.
More than two-thirds of people infected with HIV in the world live in the ________ region of Africa, and the ________ are more commonly infected than ________
a. Saharan / men / women b. Saharan / women / men c. sub-Saharan / men / women d. sub-Saharan / women / men