This statement, "In the laboratory, a sterile inoculating loop is moved across the agar surface in a culture dish, thinning a sample and isolating individuals," described which of the following?

a. broth culture
b. pour plate
c. streak plate
d. dilution plate


Ans: c. streak plate

Biology & Microbiology

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The current cost of sequencing a human genome is

A. about $10 B. about $1,000 C. about $1,000,000 D. over $400,000,000

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Scientists believe that mitochondria may have evolved from ancient bacteria because ____

a. both are surrounded by a cell wall b. both have their own DNA and ribosomes c. the shapes and size of both are exactly the same d. both have cristae to increase surface area e. both have five chromosomes

Biology & Microbiology

What does a "run of homozygosity" indicate?

A) A recent common ancestor B) An ancient common ancestor C) Consanguineous ancestry D) Nondisjunction in a parent

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All populations of all species in a habitat are a __________. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology