Broadcast spawning refers to
a. having multiple reproductive partners.
b. releasing sperm into surrounding waters.
c. releasing eggs into surrounding waters.
d. internal fertilization.
e. both b and c
C
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All phototrophic bacteria use a monophyletic photosystem in photosynthesis, thus there is intense competition for light between different phototrophic bacteria
Indicate whether the statement is true or false.
The oldest fossils discovered of fungi date
back to ___ million years.
a. 5 b. 50 c. 500 d. 5000 e. 500,000
Who promoted the idea that some diseases, especially chronic diseases, have a multifactorial etiology
a. William Farr b. William Farrell c. Thomas Edison d. William Smith
Assume Saccharomyces cerevisiae is grown in a nutrient medium containing the radioisotope 32P. After a 48-hour incubation, the 32P would most likely be found in the S. cerevisiae's
a. Plasma membrane. b. Cell wall. c. Water. d. Proteins. e. Carbohydrates.