What do large lymph vessels have in common with veins?
a. they transport deoxygenated blood
b. they are a reservoir for blood
c. they drain into the inferior vena cava
d. they have valves
e. they carry carbon dioxide
D
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Most snoRNAs function in
a. cleaving the 45S rRNA. b. splicing cleaved rRNAs. c. splicing cleaved mRNAs. d. guiding regions of rRNAs to modifying enzymes.
During an auditory transduction, ion flow varies across the _____
A) tectorial membrane B) round-window membrane C) hair cell membrane D) basilar membrane
Which of the following statements about DNA is (are) true?
A) DNA contains thymine but not uracil. B) DNA molecules contain deoxyribose. C) In a double-stranded DNA molecule, adenine on one strand will be connected to thymine on the complementary strand by two hydrogen bonds. D) All of the above statements are true.
The ____ have a single, circular chromosome
a. Archaea b. Bacteria c. Archaea and Bacteria d. cyanobacteria only e. methanogens only