What process results in the formation of the endosperm and the embryo in angiosperms?
A. double fertilization
B. hydrolysis
C. alternation of generations
D. secondary growth
E. determinate growth
Answer: A
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Which is the correct order of blood vessels in the systemic circulation, beginning when the blood leaves the heart?
1.Arteriole, artery, capillary, venule, vein 2.Artery, arteriole, capillary, venule, vein 3.Vein, venule, capillary, arteriole, artery 4.Vein, venule, arteriole, capillary, artery
Four of the five answers listed below are parts of the same skeletal division. Select the exception
a. cranium b. ribs c. sternum d. vertebrae e. phalanges
In lilies, white flowers (W) are dominant to purple flowers (w). If two plants that are heterozygous for flower color are mated, the genotypic ratio of the offspring would be
A) 3:1. B) 1:1. C) 1:2:1. D) 9:3:3:1. E) 1:1:1:1.
The flagella of ________ are not hollow, not enclosed in cytoplasmic membrane, and are powered by ATP
A. archaea B. bacteria C. eukaryotes D. both archaea and bacteria E. both archaea and eukaryotes