Membrane-bound nuclei are characteristic of both Archaea and eukaryotes
Indicate whether the statement is true or false
FALSE
Explanation: Membrane-bound nuclei are characteristic of eukaryotes. Archaea, like Bacteria, are prokaryotes.
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For a species to be called "invasive," it must _____
I) be introduced to a new area II) spread rapidly in this new area III) eliminate native species A) only I B) only II C) only III D) only II and III E) I, II, and III
A bacterial gene regulatory system is likely have
_____ a coding sequence. _____ an operator. _____ one or more introns. _____ a motor. _____ a ribosome recognition site.
In an isotonic contraction of a skeletal muscle,
(a) the tension in the muscle increases. (b) movement occurs. (c) no movement occurs. (d) both a and c occur.
At the level of the cell, how is osmoregulation achieved?
A. by the movement of solutes across membranes B. by balancing the input and output of water and electrolytes C. by changing the overall permeability of membranes D. by bringing water in through the skin E. None of these choices accurately describe how osmoregulation is achieved at the level of the cell.