Epigenetic inheritance may occur at which of the following stages?
A. Oogenesis
B. Spermatogenesis
C. Embryogenesis
D. All of the answers are correct
D
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If a restriction endonuclease cuts a circular DNA three times, how many fragments should there be
after the DNA is subjected to electrophoresis through an agarose gel?
a. 1 b. 2 c. 3 d. 4 e. 5
In a resting neuron, the inside of the cell is negatively charged mainly because of
a. negatively charged chloride ions inside the cell. b. potassium ions being pumped out of the cell. c. negatively charged proteins inside the cell.
Fungal infections are difficult to treat because
A. they mutate very rapidly and therefore become resistant to most medications. B. fungal and human cells are so similar that it is difficult to make fungal medications that do not harm human cells. C. they "hide out" inside of cells, and have long latent periods where medications can not get to the organism. D. All of the answer choices are correct.
Digested fats are packaged into ________, which are too big to enter blood capillaries and so have to diffuse into lacteals, where fats enter the lymph and are transported within the lymphatic system
A) micelles B) chyme C) chylomicrons D) bile salts E) lipases