Golden rice was developed to deal with problems of ____________ deficiency
A. vitamin D D. carbohydrate
B. vitamin A E. niacin
C. protein
B
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Movable bones are found in the
a. cochlea. b. external ear. c. middle ear. d. inner ear. e. organ of Corti.
One of the limitations of the process of transfection is
a. it can only be used in retroviruses. b. it can only be used in DNA-containing viruses. c. it can only be used with genes that are expressed in the tissues into which the new DNA will be inserted. d. it can only be used in icosahedron-shaped viruses. e. it can only be used in hexagonally-shaped viruses.
Spherocytosis is a human blood disorder associated with a defective cytoskeletal protein in the red blood cells (RBCs). What do you suspect is the consequence of such a defect?
A) abnormally shaped RBCs B) an insufficient supply of ATP in the RBCs C) an insufficient supply of oxygen-transporting proteins in the RBCs D) adherence of RBCs to blood vessel walls, causing plaque formation
All of the following about flagella of bacteria are true except:
A. they are used in feeding B. they are attached in between the cell wall and the membrane C. They have similar function as mitochondria of eukaryotic cells D. they are used in locomotion E. there may be more than one per cell