Mannitol salt agar is considered a differential medium because the salt inhibits the growth of many bacteria but not staphylococci.
Answer the following statement(s) true (T) or false (F)
Ans: False
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Plastids are storage organelles. A chloroplast is a type of plastid. What does a chloroplast store?
A. Chlorophyll B. Oxygen C. Carbon D. Sugar
Groups of operons that are regulated by the same regulatory protein are known as ________.
Fill in the blank(s) with the appropriate word(s).
What is a primary function of growth hormone?
A. Inhibits loss of calcium from bone B. Stimulates bone growth C. Lowers blood glucose level D. Initiates stress response E. Raises blood glucose level
Suppose that Joe Scientist fuses a mouse cell and a human cell, and then treats the cell with specific antibodies covalently linked to fluorescent dyes (antibodies linked to mouse proteins are green; antibodies linked to human proteins are red). Forty minutes later, Joe Scientist looks at the fused cell. What will Joe Scientist observe?
a. The red and green labels will be distributed in intermingled patches. b. The red and green fluorescent labels will be uniformly distributed across the entire membrane. c. The red and green labels will flash intermittently. d. The cell will be half red and half green.