Which of the following statements is TRUE?
A. Capsule stain uses alkali dye
B. There are more than one correct answers
C. Positive stain binds to the cell wall of bacteria
D. Positive stain uses alkali dyes because it binds to the cell
E. Gram stains takes advantage of negative dye
Ans: D. Positive stain uses alkali dyes because it binds to the cell
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The ratio of ________ in DNA is 1:1.
A) guanine to adenine B) adenine to thymine C) cytosine to adenine D) uracil to cytosine
A human X-linked gene is
a. found only in males. b. more frequently expressed in females. c. found on the Y chromosome. d. transmitted from father to son. e. found on the X chromosome
Before clotting factors from recombinant DNA became available, less than half of hemophiliacs in the
U.S. acquired HIV from injection of clotting factors obtained from blood samples. Indicate whether the statement is true or false.
Another term for gestation is
A) conception. B) fertilization. C) development. D) pregnancy.