An unexpected change in a cell's genetic makeup is called a ________.
Fill in the blank(s) with the appropriate word(s).
mutation
An unexpected change in a cell's genetic makeup is called a mutation.
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The medicinal leech, once used to withdraw "unhealthy" blood from patients, produces ____________ to ensure blood flow from the host?
A. antibiotics B. antibodies C. anticoagulants D. blood clots E. suture material
For a given population, life history pattern
focuses on aspects such as
a. number of breeding events. b. availability of resources. c. climatic conditions. d. quality of habitat. e. all of these
Sexual reproduction in which a plasmid or other genetic material is transferred by a donor to a recipient cell via a direct connection is termed
A) recombination. B) transduction. C) conjugation. D) transformation.
The random motion of water molecules causes a net movement of substances from a region of high concentration to a region of low concentration:
A. phagocytosis B. filtration C. osmosis D. diffusion E. pinocytosis