MacConkey agar plates represent ________ medium
A) a minimal
B) a selective
C) a differential
D) both a differential and a selective
E) both a minimal and a selective
D
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What is the main difference between a fat (triglyceride) and a phospholipid?
A. A fat has 4 fatty acids attached to glycerol, whereas a phospholipid has 3. B. A fat has 3 fatty acids attached to glycerol, whereas a phospholipid has 4. C. A phospholipid has 2 fatty acids attached to glycerol, whereas a fat has 3. D. A phospholipid has 3 fatty acids attached to glycerol, whereas a fat has 2. E. None of the above are true.
Nutrient absorption mostly happens in the ____
a. stomach b. small intestine c. colon d. pancreas e. esophagus
he main signaling cascade for cell division and differentiation is the __________ cascade
a. phospholipase C b. MAP kinase c. phosphoinositol d. cAMP e. calcium-calmodulin
Who was the Augustinian monk that conducted a decade of experiments on the garden pea, eventually showing that traits are passed from parents to offspring in predictable ways?
A) Aristotle B) Alfred Wallace C) Gregor Mendel D) Francis Crick E) Hippocrates