Agarose gels separate DNA fragments based on what property?

A) amount of agarose in the DNA B) amount of adenine bases in the sequence
C) charge of the DNA molecule D) size of the fragment


Answer: D

Biology & Microbiology

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One of the most common repetitive motion injuries is

a. a sprained ankle. b. a dislocated shoulder. c. carpal tunnel syndrome. d. rheumatoid arthritis. e. a torn ligament.

Biology & Microbiology

Which process could have allowed the nucleomorphs of chlorarachniophytes to be reduced, without the net loss of any genetic information?

A) conjugation B) horizontal gene transfer C) phagocytosis D) meiosis

Biology & Microbiology

The opening of the larynx is called the ________. It is covered by the epiglottis, which prevents food or objects from blocking the airway

Fill in the blank(s) with correct word

Biology & Microbiology

Which of the following statements concerning the Rh factor is CORRECT?

A. The Rh antigen is on white blood cells. B. Eighty-five percent of humans are Rh positive. C. Preexisting antibodies occur in 85% of the population. D. Rh antibodies are more abundant than the ABO antibodies. E. Eighty-five percent of the human population is Rh negative.

Biology & Microbiology