The oil immersion method of refractive index measurement uses ____ oils.

What will be an ideal response?


Silicon(e)

Biology & Microbiology

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For growth, most bacteria require water activity levels above

A. 1.00. B. 0.80. C. 0.70. D. 0.90.

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Gastrulation is the process by which an embryo becomes three-layered

____________________ Indicate whether the statement is true or false.

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Chromosomes each consist of a single, unduplicated molecule of DNA by the time ________ is completed

a. prophase I b. metaphase I c. telophase II d. prophase II

Biology & Microbiology

A(n) ________ is an animal that carries a disease from one host to another

Fill in the blank(s) with correct word

Biology & Microbiology