The system of fungal filaments that penetrates and grows through the substrate is called a(n)
A. exoskeleton.
B. hyphal compartment.
C. mushroom.
D. mycelium.
E. sporangium.
D. mycelium.
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You perform a test cross of the dihybrid AaBb and score the phenotypes of 1000 progeny. Assuming independent assortment, how many of the progeny do you expect to display the dominant phenotype for both the A and B genes?
A) 100 B) 200 C) 250 D) 500 E) 750
How would a plant that normally grows in a shady habitat respond when exposed to a high level of far-red light?
a) Its stem would not elongate because it grows well in far-red light. b) Its stem would not elongate because it cannot grow in far-red light. c) Its stem would elongate to escape the far-red light. d) Its stem would elongate to absorb more far-red light.
A particular species of protist has obtained a chloroplast via secondary endosymbiosis. You know this because the chloroplasts _____
A) have nuclear and cyanobacterial genes B) are exceptionally small C) have three or four membranes D) have only a single pigment
Which of the following is unique to archaea?
A) hypotonic B) hypertonic C) isotonic D) fluid mosaic E) passive