Which of the following types of microscopes provides a 3-dimensional image of the surface of cells and viruses?
A. Transmission electron microscope
B. Scanning electron microscope
C. Brightfield microscope
D. Darkfield microscope
Ans: B. Scanning electron microscope
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What is the primary function of the endocrine system?
a. conduction b. contraction c. hormonal control of the body d. protection against disease e. cell production
Which of the following is true of type 1 diabetes?
a. Insulin levels are near normal. b. Target cells do not respond normally to insulin. c. It is the more common form of diabetes. d. It is thought to be an autoimmune disease. e. It usually occurs in middle-aged people.
Culture of patient specimens to detect pathogens is usually done on blood agar plates only.
a. true b. false
The process in which carbon from an inorganic source, such as carbon dioxide, gets incorporated into an organic molecule is called ____________.
A. carbon fixation B. the Calvin–Benson cycle C. light-dependent reaction D. metabolic regeneration E. phosphate-group transfer