A position effect occurs when a gene's expression is altered by virtue of a change in its position. One might expect position effects to occur with inversions and translocations
Indicate whether the statement is true or false
TRUE
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A polar body, once formed, has no further function and dies
a. True b. False Indicate whether the statement is true or false
To make the skin more flexible and remove wrinkles ______ could be injected beneath a person's skin.
A. collagen B. proteoglycan C. cellulose D. laminin E. fibronectin
How would you recognize an antibiotic-producing soil bacterium on a plate crowded with other bacteria? The bacterial colony producing the antibiotic would be __________.
a. surrounded by a clear area b. red or yellow c. star-shaped d. visible as masses called mycelia e. characterized by pseudopods
The mechanical force generated by a contracting muscle is called influenced by the number of muscle fibers in_____.
A. a motor unit B. muscle tension C. a motor neuron D. the energizing of myosin molecules E. the action potential