Which piece of laboratory equipment would be used to most accurately measure the volume of a liquid.

a. beaker
b. balance
c. test tube
d. graduated cylinder


Answer: d. graduated cylinder

Biology & Microbiology

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Based on this chronology of hominin crafts, we might conclude that ________

Fill in the blank(s) with the appropriate word(s).

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In diabetes insipidus,

a. too little ADH is secreted. b. ADH receptors do not respond to ADH. c. aquaporin proteins are modified or missing. d. any of these occur. e. none of these occur.

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What are the non-coding sequences in pre-mRNA?

a. promoter b. nucleotide cap c. introns d. transcript e. exon

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Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell?

a. mRNA b. RNA polymerase c. rRNA d. tRNA

Biology & Microbiology