The gland that secretes fructose and prostagladins that become part of the semen is the
A. seminal vesicle. D. epididymus.
B. bulbourethral gland. E. vas deferens.
C. prostate gland.
A
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Stanley Miller constructed an apparatus containing water vapor, hydrogen gas, methane, and ammonia and energized it with electricity in a model of the atmosphere of early Earth. The apparatus produced all of the following choices except ________
a. living cells b. sugars c. amino acids d. organic compounds
A plant systematist aims to
a. identify and name plant species. b. classify plant species within larger groups. c. understand the evolutionary history and relationships of plant species. d. Identify and name plant species, and classify plant species within larger groups e. Identify and name plant species, classify plant species within larger groups and understand the evolutionary history and relationships of plant species.
How many nucleotides are required to code for 10 amino acids?
A. 30 B. 10 C. 20 D. 3
Which environmental factor is most significant for flowering?
A) Light intensity B) Temperature C) Water availability D) Day length E) Nitrogen availability