★ 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:
Respiratory, Cardiovascular & Oncology SSTI and Bone Infections Urinary System Medical Terms Cellular Transport and Metabolism Human Body and Pathogens Muscular System Movements Intravenous Fluid Therapy Body Defense History of Medicine Cells, Genetics & Heredity Review Leaves Biology Assessment Properties of Hair and Scalp Body Fluids Forensic PathologyOther quiz:
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A. viruses
B. bacteria
C. prions
Parts of the Skin › View
Melanin is found in the _____ layer of the skin.
A. middle
B. top
C. bottom