Which of the following cells or structures in flowering plants is a part of the gametophyte generation and therefore haploid?
a. A flower petal cell
b. A cell from the filament
c. A cell from the style
d. A megaspore
e. The endosperm
Ans: d. A megaspore
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All of the following statements about digestion are correct EXCEPT:
A. Digestion is catalyzed by enzymes. B. During digestion, nucleic acids are split into nucleotides. C. During digestion, fats are split into monoglycerides and fatty acids. D. Most digestion occurs in the stomach. E. During digestion, polysaccharides and disaccharides are split into monosaccharides.
Infections that are acquired during sexual activity are referred to as:
a. endogenous infections. b. pyelonephritis. c. exogenous infections. d. upper tract infections.
The term 'recombinant organism' refers to
A. genetically engineered cells, but not those that have new genes as a result of horizontal gene transfer. B. an organism that has genes passed down from the parent cell to the daughter cells during binary fission. C. an organism that has recombined its genes. D. an organism that expresses proteins coded for by genes that originated in a different organism.
A feeding individual in the mature colony is
indicated by a. A. b. B. c. C. d. D. e. E.