Topics: Molecular Basis of Inheritance Quiz
Which of the following phenomena was experimentally proved by Meselson and Stahl?
A. Transduction
B. Semi-conservative DNA replication
C. Transformation
D. Central dogma
Select your answer:

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Reproduction › ViewThe embryo with 16 cells is called
A. Blastocyst
B. Blastomeres
C. Morula
D. Cleavage
Homeostasis and Disease › View
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.
A. Positive Feedback Response
B. Negative Feedback Loop