What is the role of interferon in defense against disease?
A) protects cells that have not yet been infected by viruses
B) activates the inflammatory process
C) activates the complement mechanism
D) protects cells that have not yet been infected by bacteria
A
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When EPSPs originating from a single presynaptic input occur so close together in time that they add together or sum, thereby bringing the postsynaptic cell to threshold, it is called ____________________ summation
Fill in the blank(s) with correct word
A cluster of neurons in the peripheral nervous system is called a ________
A) pod B) nucleus C) fasciculus D) ganglion
At the end of meiosis I there are ________, whereas at the end of meiosis II there is/are ________.
A. two diploid (2n) cells; one haploid (n) cell B. two haploid (n) cells; four haploid (n) cells C. two diploid (2n) cells; four haploid (n) cells D. two haploid (n) cells; one diploid (2n) cell E. two diploid (2n) cells; one diploid (2n) cell
Declining immune response in the elderly may be a result of thymus gland shrinkage.
Answer the following statement true (T) or false (F)