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:
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Tissues Vocabulary Antibiotic in Orthopaedics Anatomy - Cellular Respiration Epidemiology Pollution Deaf Blind Microbial Growth & Nutrition Urinary Bacterial Cell Structure Cardiovascular Adaptation Refresher Fluid and Electrolytes The Respiratory System Factors Affecting Health Biochemistry/Cells Nursing VocabularyOther quiz:
Principle of Health Science › ViewAcceptance of dissection of the body, invention of the printing press, and a renewed interest in medicine:
A. Middle ages
B. Dark Ages
C. Renaissance
D. Egyptians
Genetics › View
Mutations in DNA are very common since the human body copies millions of pieces of DNA. A student claims that most of these mutations in DNA are harmful.
Is the claim correct?
_
A. Yes. Most mutations stop the cells from functioning properly.
B. Yes. Most mutations are inherited and harm future generations.
C. No. Most mutations are corrected by enzymes in the body before the mutations take effect.
D. No. Most mutations are beneficial.