If you want to keep cut flowers fresh, treat them with
A) auxin. B) abscisic acid. C) cytokinin. D) gibberellin. E) ethylene.
C
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A genome can be best described as
A) a segment of DNA that encodes an RNA or a protein. B) an organized package of DNA and proteins. C) a single pair of nucleotides connected by hydrogen bonds. D) the DNA in all chromosomes in a cell.
The macroplants of the midlittoral temperate Pacific and Atlantic are characterized by:
a. red algae. b. green algae. c. brown algae. d. seagrasses. e. mangals.
The type of contraception technique that prevents implantation (even after successful fertilization) is
a. tubal ligation. b. spermicidal jelly. c. birth control pills. d. intrauterine device. e. a diaphragm.
Why are eating disorders that severely restrict food intake very dangerous?
A) Menstruation can cease, which may cause sterility. B) The risk of stroke can increase. C) They can cause Type 1 diabetes. D) They can lead to high blood pressure.