The Mars rover Curiosity finds a living organism on the red planet. Scientists would know that it is eukaryotic and not prokaryotic if ________
A) it has membrane-bound organelles
B) it has a cytoskeleton
C) its diameter is 10 ?m
D) it has six internal membranes
A
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What are the main by-products of cellular respiration?
A. Carbon dioxide and oxygen B. Oxygen and sugars C. Water and carbon dioxide D. Sugars and water
Although miRNAs and siRNAs share many similarities, including their incorporation into the RISC complex,
they differ in that with siRNA the single-stranded sequence that binds to targeted mRNAs results in cleavage of the mRNA and more rapid degradation by nucleases. A. true B. false
The proper order of embryonic development is
A. morula-cleavage-blastula-gastrula. B. gastrula-cleavage-blastula-morula. C. cleavage-morula-blastula-gastrula. D. blastula-cleavage-morula-gastrula.
Carrier protein in the plasma membrane that moves sodium ions out of and potassium ions into cells; important in the function of nerve and muscle cells in animals.
What will be an ideal response?