Lichens are generally described as which type of symbiotic relationship?
A. Mutualism
B. Commensalism
C. Parasitism
D. Competition
E. Amensalism
Answer: A
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A polar molecule can be described as being ________.
Fill in the blank(s) with the appropriate word(s).
Which mineral may contribute to high blood pressure?
a. potassium b. calcium c. sodium d. iron e. iodine
A mixture of DNA fragments is amplified from a sample of ocean water. Which gene(s) could be definitively categorized as originating from a species of animal?
A. Genes for ATP synthase B. Cell cycle regulatory genes C. Gene for Spongin D. Genes for biosynthesis of chitin E. Genes for RuBisCO
A scientist discovers a new virus associated with a cancer. She is able to culture it in the laboratory and begins to analyze it. What features will help her determine the virus' classification? How does this help her understand the virus' mechanism for causing cancer?
What will be an ideal response?