What is a pure culture?
What will be an ideal response?
Ans: A culture in which only one strain or clone is present.
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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.
What do scientists believe was the original genetic material able to copy itself without assistance?
A) DNA B) RNA C) Proteins D) Enzymes
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
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