Place the following steps of NK cell killing in order. 1. Secretion of perforin 2. Realignment of Golgi apparatus 3. Lysis of abnormal cell 4. Recognition and adhesion
A) 4, 2, 1, 3
B) 2, 1, 4, 3
C) 4, 1, 2, 3
D) 1, 2, 4, 3
E) 1, 4, 3, 2
A
You might also like to view...
A person is diagnosed with cataracts. Which is a primary risk factor for the development of this health problem?
A) Gender B) Trauma C) Aging D) Congenital defects
Electrons
A. are located in the nucleus of an atom. B. comprise the majority of the mass of an atom. C. are the subatomic particles most involved in bonding behavior of atoms. D. do not participate in the bonding of atoms. E. have a positive charge of one.
Which of the following events would increase filtration pressure?
A. Increase in colloid osmotic pressure B. Decrease in renal blood flow C. Increase in capsular pressure D. Dilation of the efferent arteriole E. Constriction of the efferent arteriole
Which statement is true about intercostal nerves?
a. They are formed from the posterior rami of spinal nerves. b. They form a thoracic plexus of nerves. c. They originate from the thoracic part of the spinal cord. d. They innervate the lower limb.