Altering or eliminating harmful genes or inserting normal genes into defective cells is known as:
A. Gene therapy
B. Gene manipulation
C. Stem cell research
D. Cloning
Ans: A. Gene therapy
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Energy is defined as
A. heat. B. the capacity to do work. C. change. D. movement.
Which of the following statements about epithelial tissue is NOT true?
A. Epithelium lining the respiratory tract contains cilia that move particles along its surface. B. Pseudostratified epithelium looks like it has multiple layers, but all the cells are attached to the basement membrane. C. Columnar epithelium is cube-shaped with the nucleus near the upper surface of the cells. D. Squamous epithelium is composed of flattened cells. E. Simple epithelia have only a single layer of cells.
Which of the following proteins is central to starvation survival strategies in many bacteria?
A. ATPase B. Fts Z C. Superoxide dismutase D. RpoS
Vesicles from the ER enter the Golgi at the ______
(a) medial cisternae. (b) trans Golgi network. (c) cis Golgi network. (d) transcisternae.