Antibiotic therapy is not significantly useful for treating typhoid fever
Indicate whether the statement is true or false.
Answer: FALSE
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________ are small oligonucleotides, 20—30 nucleotides in length, that bind specifically to mRNA and stop translation.
Fill in the blank(s) with the appropriate word(s).
What kind of bond is found between the individual atoms of a single water molecule?
A) hydrogen bonds B) ionic bonds C) covalent bonds that are not polar D) covalent bonds that are polar
Energy flow in an ecosystem is NOT cyclic because energy is
A. destroyed as it is used. B. evenly spread out over many organisms. C. converted to heat, which is no longer useful. D. increased as you go up the energy pyramid. E. converted to many kinds of useful energy.
The major difference in gene regulation between prokaryotes and eukaryotes is that
A. eukaryotic and prokaryotic genes are usually grouped for common functions. B. eukaryotic gene regulation is more simplistic than prokaryotic gene regulation. C. eukaryotic genes regulation requires fewer signals that prokaryotic gene regulation. D. eukaryotic gene regulation tends to require less coordination and integration than prokaryotic gene regulation. E. eukaryotic genes are arranged individually, while prokaryotic genes are grouped into operons.