★ Biotechnology Quiz
Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?
A. DNA is negatively charged and attracted to the positive end of the unit
B. DNA is positively charged and attracted to the negative end of the unit
C. the agarose gel is negatively charged
D. the agarose gel is positively charged
Select your answer:
Topics:
Circulatory and Nervous System The Cardiovascular System: Blood Vessels and Hemodynamics Hospital Wards and Departments Tissue Repair Pathology Cell Structure and Function Concept Ortho Ward Simulation Bones Anatomy Respiratory Muscles Immunity Teeth and Microbes Meiosis and intro to Genetics Endodontic Surgery Cardiovascular and Respiratory Cell Structure and FunctionOther quiz:
Your Body › ViewThe heart pumps blood to every muscle in your body. The blood carries _____ to the muscles.
A. carbon dioxide
B. oxygen
Circulatory / Respiratory › View
Inhaled air passes through which of the following structures last?
A. bronchus
B. trachea
C. pharynx
D. bronchiole
E. larynx