What is a pure culture?

What will be an ideal response?


Ans: A culture in which only one strain or clone is present.

Biology & Microbiology

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The complete genetic composition of an organism is called its.

A. proteome. B. genome. C. transcriptosome. D. phenotype. E. None of these choices are correct.

Biology & Microbiology

What do scientists believe was the original genetic material able to copy itself without assistance?

A) DNA B) RNA C) Proteins D) Enzymes

Biology & Microbiology

Plasmodesmata ______________________.

(a) permit small molecules to pass from one cell to another (b) are found only in animal cells (c) are closed by the neurotransmitter dopamine (d) provide tensile strength

Biology & Microbiology

Correctly rephrase the following famous quote from J. B. S. Haldane. "I would lay down my life in order to save two brothers or ________."

A. two grandsons or granddaughters B. one son or daughter C. three uncles D. four cousins E. two nephews and one son or daughter

Biology & Microbiology