Which microscope is used primarily to view unstained spirochetes?
A. Phase contrast microscope
B. Dark field microscope
C. Electron microscope
D. Bright field microscope
E. Fluorescence microscope
Ans: B. Dark field microscope
You might also like to view...
The production of female gametes begins when a mass of tissue, called the ovule, starts growing on the inner wall of
a(n) __________. Fill in the blank(s) with the appropriate word(s).
What is the name given to the fluid removed from the blood but not yet processed by the nephron
tubules? a. urine b. water c. uretrial fluid d. glomerular filtrate e. renal plasma
Which factor promotes oxygen release from hemoglobin at the tissue?
a. low blood pressure b. low oxygen gradient c. low temperature d. low carbon dioxide concentration e. low plasma pH
Restriction enzyme-generated DNA fragments of different lengths from the same region of the genome are called
a. DNA elements b. endonuclease sites c. restriction sites d. restriction fragment length polymorphisms e. restriction elements