Resident staphylococci in the ________ seldom cause disease
A) eyes
B) upper respiratory tract
C) lungs
D) kidneys
Answer: B
You might also like to view...
Complex structures of DNA and proteins must unwind to be ____.
Fill in the blank(s) with the appropriate word(s).
Organisms have been created by nuclear transfer cloning, in which a diploid nucleus from a somatic cell of an adult animal is injected into an enucleated egg cell to create an embryo
Among the many species thus cloned, there has been a prevalence of mitochondrial defects. Which of the following is the most likely explanation? A) The transferred nucleus may destroy the egg mitochondria. B) The egg cell may be heteroplastic before injection. C) The somatic cell's mitochondria may have been transferred as well. D) The transferred nucleus may have mutations that alter mitochondrial function. E) The egg nucleus may have had one or more mutations that alter mitochondrial function.
Serotonin is amine neurotransmitter that is derived from (i)__________, and it is deactivated by (ii)___________.
a) (i) tyrosine, (ii) tyrosine hydroxilase b) (i) tryptophan, (ii) moniamine oxidase
Silicon has an atomic number of 14 and a mass number of 28. How many neutrons are found in silicon?
A. 28 B. 14 C. 42 D. 8