In deuterostomes,
A. radial cleavage occurs, and the fate of the cells is indeterminate.
B. the mouth appears at or near the blastopore.
C. spiral cleavage occurs.
D. the fate of cells is fixed and determinate.
Answer: A
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An N-terminus is the end of a(n) ____________________ that has a free amino group
Fill in the blank(s) with correct word
You are a botanist surveying a previously unstudied island. You discover a plant that has a small freeliving
gametophyte that requires external water for fertilization. After fertilization, a large sporophyte with xylem and phloem develops. The gametophyte dies, and the free-living sporophyte eventually releases spores from sporangia on the margins of its leaves. Into which group should you classify this plant?
a. cycads b. seedless vascular plants c. gymnosperms d. angiosperms e. monocots
Muscle cells produce lactic acid when they have an inadequate supply of
A) protein. B) O2. C) calcium. D) actin and myosin. E) glycogen.
________ would keep a population in Hardy-Weinberg equilibrium.
A. Gene flow B. Genetic drift C. Mutation D. Random mating E. Selection