The marine multicellular protists including the larger brown algae belong to the
A. foraminifera.
B. Choanoflagellida.
C. Stramenopiles.
D. euglenoids.
E. dinoflagellates.
Answer: C
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The rate of net primary productivity can be limited directly by the availability of
A) organic nutrients in the soil solution. B) inorganic nutrients in the soil solution. C) organic carbon in the soil solution. D) inorganic carbon in the soil solution.
Steroid hormones bind with G-protein linked receptors in plasma membranes of target cells. Indicate whether the statement is true or false
Which of the following genotypes would most likely lead to a low birth weight and a small placenta?
A) Igf2+/Igf2- but only in female progeny as the Igf2 gene is on the X-chromosome. B) Igf2+/Igf2+ where neither maternal nor paternal allele is mutated. C) Igf2+/Igf2- and it doesn't matter which parental source the mutated Igf2- comes from. D) Igf2+/Igf2- where the mutated Igf2- allele comes from the paternal source. E) Igf2+/Igf2- where the mutated Igf2- allele comes from the maternal source.
Organisms that grow at 0°C and have a maximum growth temperature of 35°C are called ________.
A. frigiphiles B. mesophiles C. psychrophiles D. psychrotrophs