Compared to bacteria which of the cell types below are not responsible for finding food"
A. Lymphocyte
B. Macrophage
C. Fibroblast
D. None of the above
E. Answers a, b, and c
Answer: E. Answers a, b, and c
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The genes encoding luciferase, green fluorescent protein (GFP), and ?-galactosidase are typically used in cloning as
A) transcription regulators. B) global control genes. C) promoter sequences. D) reporter genes.
Enzyme specificity refers to the
(a) specific name of each kind of enzyme. (b) fact that enzymes catalyze one particular substrate or a small number of structurally similar substrates. (c) effect of temperature on enzyme activity. (d) effect of pH on enzyme activity.
Although toxic to early autotrophs and heterotrophs, ________ is essential to most modern forms of life, where it functions as an electron acceptor
a. oxygen b. phosphate c. magnesium d. carbon dioxide
Which of the follow statement is NOT true about oogenesis in humans?