Woese disproved the prevailing views of spontaneous generation by demonstrating that sterilization of a sugar and
protein culture prevented bacterial growth. Indicate whether the statement is true or false.
False - Pasteur
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Linnaeus classified organisms based on
1.DNA sequences. 2.protein sequences. 3.morphological characteristics. 4.evolutionary history. 5.existing phylogenetic trees.
The word “evolution” as used in biology literally
means a. natural selection. b. genetic drift. c. divergence. d. change. e. mutation.
Changes at the molecular level can turn proto-oncogenes into oncogenes. These changes cause unregulated cell division. Which disease is caused by this transformation?
A. diabetes B. leukemia C. pneumonia D. hemophilia
In gamete formation, the starting cells in females are the ________, and the starting cells in males are ________
A) spermatogonia; oogonia B) primary oocytes; prmary spermatocytes C) oogonia; spermatogonia D) ooctyes; spermatids E) primary spermatocytes; primary oocytes