The first task you are assigned in your summer laboratory job is to prepare a concentrated NaOH stock solution. The molecular weight of NaOH is 40

How many grams of solid NaOH will you need to weigh out to obtain a 500 mL solution that has a concentration of 10 M?
(a) 800 g
(b) 200 g
(c) 400 g
(d) 160 g


(b)

Biology & Microbiology

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Biology & Microbiology

Which of the following are present in ALL virions?

a. Ribosomes, nucleic acids, capsid, protomers b. DNA, capsomeres, capsid, protomers, envelope c. Capsomeres, nucleic acids, ribosomes, protomers, envelope d. Nucleic acids, capsomeres, capsid, protomers e. RNA, capsomeres, capsid, protomers, envelope

Biology & Microbiology

Evolutionary history includes mass extinctions that are characterized by the sudden disappearance of a wide variety of species. What is another important consequence of mass extinctions?

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Biology & Microbiology

The study of the full protein sets that genomes encode is ________

A) proteomics B) genomics C) metagenomics D) systems biology

Biology & Microbiology