The group of protists to which you are most closely related is:
A. the choanoflagellates
B. slime molds
C. Rhizaria
D. Foraminifera
E. Stramenopila
A. the choanoflagellates
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Colon polyps
a. are mostly benign but some may become cancerous. b. are difficult to cure. c. are small growths that project from the wall of the small intestine. d. are responsible for 500,000 deaths in the U.S. every year. e. are usually benign but may become cancerous and are responsible for 500,000 deaths in the U.S. every year.
Meselson and Stahl proved that
A. DNA contains nitrogen. B. DNA replicates in a semi-conservative manner. C. DNA is made from nucleotides. D. DNA is the genetic material.
The aquatic ancestry of bryophytes is most clearly demonstrated by what character?
A. The use of flagellated motile sperm B. The production of a sporangium C. Mycorrhizal associations with fungi D. A nutritionally dependent sporophyte
Which of the following statements about Mendel is
false? a. He did not know about chromosomes. b. He was not aware of Darwin’s theory of evolution. c. He was well trained in agriculture and mathematics. d. His work was widely recognized.. e. His work established a basic understanding of the principles of heredity.