What is the main function of a spectrophotometer in the laboratory?
A. Measure the absorbance of light by a substance
B. Visualize small particles
C. Count the number of colonies of microorganisms
D. Separate fluids based on density
Select your answer:
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Laboratory Careers Biology Musculoskeletal/Endocrine Systems Blood Groups Cell Theory and Microbiology Pathology Introduction Cell Injury Pharmacology Common Respiratoty Diseases Vision and Hearing Defects Nail Diseases and Disorders Characteristics of Life & Viruses Circulatory & Respiratory System Cells & Body Systems Renal & Neural History of PsychologyOther quiz:
Respiratory System › ViewSmall amount (30ml) of sterile saline inject through the bronchoscope & withdrawn and examined for cells are called
A. Gastric lavage
B. Bronchoalveolar lavage
C. Chest Physiotherapy
Transport System › View
Which of the following statement is true about heartbeat regulation during vigorous exercise?
A. Cardioinhibitory center is stimulated by medulla oblongata.
B. Norepinephrine is secreted to AV node at the end of parasympathetic nerve
C. Noradrenaline is secreted to SA node at the end of sympathetic nerve.
D. Acetylcholine is secreted to SA node at the end of parasympathetic nerve.