The function of the vascular cambium (a type of meristem) is to:
A. produce new growth at the tip of stems
B. produce secondary xylem and phloem
C. produce only xylem to make wood
D. produce only bark
E. produce new leaves
B. produce secondary xylem and phloem
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Which genes were incorporated into the genome of Golden Rice? (check all that apply)
_____ Daffodil phytoene synthase gene _____ Bacterial carotene desaturase gene _____ Bacterial beta-galactosidase _____ Daffodil lycopene beta-cyclase gene
Rubbing a substance on uncoated paper should reveal if it contains
a. lipid. b. carbohydrate. c. protein. d. sugar.
What material provides the internal, flexible support of the ear?
A) epithelial tissue B) muscle tissue C) nervous tissue D) connective tissue
Which laboratory finding is associated with multiple sclerosis?
A.) Antibody to acetylcholine receptors B.) Several bands on electrophoresis of cerebrospinal fluid C.) Antibody to thyroglobulin D.) Presence of antinuclear antibodies