The larger muscle fibers found in males account for the fact that males tend to be, on average, stronger than females
Indicate whether the statement is true or false
TRUE
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A NASA probe returned samples of rocks from the surface of Mars. From these rocks, a prokaryotic organism was isolated and remained viable under conditions similar to that of Mars. The organisms are capable of dividing to replicate themselves. In order to determine whether the DNA replication of these organisms was semiconservative, an experiment using N15/N14 (similar to that of Mendelson and
Stahl) was performed. If the method of DNA replication were conservative, after one generation one would expect to see A) all of the DNA in the heavy (N15) band. B) all of the DNA in the light (N14) band. C) all of the DNA at a point midway between the heavy and light bands. D) half of the DNA in the light band, the other half in the heavy band. E) none of the above
Angiosperms have two separate gametophytes because
A. this is normal for alternation of generations. B. one can survive and fertilize without the need for external water. C. this is normal for all sexually reproducing plants, where sperm are produced by microgametophytes and eggs by megagametophytes. D. these two structures allow fertilization without the need for external water. E. the microgametophyte is haploid and the megagametophyte is diploid.
Which group of organisms can trace their ancestry to the protists?
Select one: a. All of the answer choices are correct. b. None of the answer choices is correct. c. fungi d. plants e. animals
Inheritance pattern in which an offspring has an intermediate phenotype, as when a red-flowered plant and a white-flowered plant produce pink-flowered offspring. ex. Curly hair
What will be an ideal response?