Who developed a method using a series of dyes to view and differentiate groups of bacterial cells?

Louis Pasteur
Hans Christian Gram
Robert Koch
John Snow


Hans Christian Gram

Biology & Microbiology

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Distinguish between endocrine and exocrine glands and give examples of each

What will be an ideal response?

Biology & Microbiology

Which of the following best represents analogous structures?

A. the arm of a human and the leg of a human B. the wing of a bat and the wing of a butterfly C. the arm of a human and the wing of a bat D. the wing of a butterfly and the wing of a bee

Biology & Microbiology

A scientist mutates a gene in yeast and then looks to see what effect introducing this mutation has on the phenotype in yeast. This is an example of:

A. next-generation sequencing. B. reverse genetics. C. forward genetics. D. positional cloning. E. transgenic research.

Biology & Microbiology

The point at which DNA synthesis is initiated is called the:

A. origin of replication. B. primer. C. primase. D. start codon. E. replication fork.

Biology & Microbiology