The units of genetic distance derived from bacterial conjugation studies are called _____
A. seconds
B. map units
C. centimorgans
D. recombination units
E. minutes
E
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An embryo sporophyte surrounded by nutritive tissue and then a tough, protective outer coat makes up
a(n) ____ that shelters the embryo from drought, cold, and other adverse conditions.
a. pollen grain b. spore c. ovule d. seed e. strobilus
Bell-shaped distributions produced by plotting results of F2 and F3 crosses are typical of which type of inheritance?
A) incomplete dominance B) hemizygosity C) codominance D) alternation of generations E) multiple-factor inheritance
The study of interactions between microbes and their environment and how those interactions affect the earth is called ________.
A. microbial ecology B. applied microbiology C. bioengineering D. biotechnology E. industrial microbiology
Emperor penguins use a huddling behavior to conduct heat efficiently. Similarly, honeybees conduct heat within their hives by huddling together and then changing positions from the center of the huddle to the edges in order to keep heat circulating. When
it is warm, however, the bees transport water into their hives and then beat their wings in order to make ________ cooling possible. A) conductive and convective B) isotonic and convective C) evaporative and convective D) evaporative and conductive