Which of the following statements is false?
A) All organisms consist of one or more cells.
B) All cells arise from preexisting cells.
C) The cell is the basic unit of structure for all organisms.
D) All cells have a membrane-bound nucleus.
E) Cells come in a wide variety of sizes and shapes.
Answer: D
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Nitrifiers are chemolithoautotrophs that use either ________ or ________ as electron donors in a process called nitrification.
Fill in the blank(s) with the appropriate word(s).
Which of the following do green algae and plants NOT have in common?
A. plastids B. chlorophyll a C. chlorophyll b D. beta-carotene E. heterocysts
If two modern organisms are distantly related in an evolutionary sense, then one should expect that
A. they should share fewer homologous structures than two more closely related organisms. B. they should be members of the same genus. C. they shared a common ancestor relatively recently. D. they live in very different habitats. E. their chromosomes should be very similar.
The Lotka-Volterra equations predict the outcomes of ________ competition under different conditions
Fill in the blank(s) with correct word