Consider the following data: (a) Most ancient eukaryotes are unicellular. (b) All eukaryotes alive today have a nucleus and cytoskeleton. (c) Most ancient eukaryotes lack a cell wall
Which of the following conclusions could reasonably follow the data presented? The first eukaryote may have been _____. A) very similar to a plant cell
B) anaerobic
C) capable of phagocytosis
D) photosynthetic
C
Biology & Microbiology
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The per capita growth rate (r) is synonymous with:
A. Type I growth rate. B. Type III growth rate. C. logistic growth rate. D. intrinsic growth rate. E. extrinsic growth rate.
Biology & Microbiology
Ovulation typically occurs on day ____ of a 28-day ovarian cycle
a. 1 b. 7 c. 10 d. 14 e. 28
Biology & Microbiology
A pyrimidine is double-ring molecule
__________________Indicate whether the statement is true or false.
Biology & Microbiology
A bacterial flagellum allows movement by undulating or waving back and forth.
a. true b. false
Biology & Microbiology