Which one of the following terms best applies to the fungus participant in a typical lichen?
A. Ectomycorrhizal fungus
B. Arbuscular mycorrhizal fungus
C. Mutualist
D. Epiparasite
Answer: C
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Polygenic traits are
A) determined by a single gene. B) determined by more than one gene. C) phenotypically different in different organisms. D) associated with many symptoms.
Which of the following could be the cause of the 12 year old boy’s condition, pictured here to the right of his mother?
1.acromegaly
2.a benign pituitary tumor
3.GH receptors failed to properly respond during childhood
4.GH failed to surge as it normally should during the teenage years
____________ are the most basic building blocks of heredity.
a. Enzymes b. Genes c. Neurons d. rNA e. None of the above
A plant that grows one year, dies back, and then grows again the following year, produces flowers and then dies would be considered _____
A) annual B) biennial C) perennial D) not very fit