How does inflammation begin?
a. Phagocytic white blood cells migrate to the site.
b. A fever starts.
c. Capillaries become leaky.
d. Arterioles dilate.
e. A white blood cell (e.g., mast cell) degranulates.
e
You might also like to view...
Which of the following is most likely to have a small protein called ubiquitin attached to it?
A) a cyclin protein, that usually acts in G1, in a cell that is in G2 B) a cell surface protein that requires transport from the ER C) an mRNA leaving the nucleus to be translated D) a regulatory protein that requires sugar residues to function properly E) an mRNA produced by an egg cell that will be retained until after fertilization
Which of the following pairs of hormones regulates the calcium levels of the blood?
a. thyroxin and parathyroid hormone b. adrenocorticotropic hormone and thyroid stimulating hormone c. prolactin and oxytocin d. parathyroid hormone and calcitonin e. calcitonin and thyroxin
Each of the following provides evidence that kinetochore microtubule shortening is directly involved in anaphase A chromosome movement to a pole except
A) Stabilization of microtubules with the drug paclitaxel stops chromosome movement to a pole. B) Treatment that accelerates microtubule depolymerization causes chromosomes to move toward the poles more quickly. C) Antibody inhibition of kinesin depolymerization of kinetochore microtubules interferes with chromosome movement to a pole. D) Laser bleaching of labeled kinetochore microtubules indicates they shorten at the kinetochore as the chromosome moves toward a pole. E) All of the above are evidence that kinetochore microtubule shortening is directly involved in anaphase A chromosome movement to a pole.
________ bacteria contain an F factor or plasmid that is capable of initiating conjugation. ________ bacteria contain an F plasmid that possesses a portion of the bacterial chromosome
A) F+; Merozygotes B) Merozygotes; F? C) F?; F+ D) F?; Hfr E) F+; Hfr