Suppose that purple is dominant in pea plants. What will be the result of a cross between P generation purple and white plants?

a. all white flowers in the F1 generation
b. all purple flowers in the F1 generation
c. all purple flowers in the F1 generation, but a lighter purple than in the parents
d. mostly purple flowers in the F1 generation, with an occasional white flower


Answer: b. all purple flowers in the F1 generation

Biology & Microbiology

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Experiments have shown that increased nitrogen may affect the community composition of ____ fungi

a. mycorrhizal fungi alone b. club fungi alone c. saprobic fungi alone d. both mycorrhizal and club e. both mycorrhizal and saprobic

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Which of the following is mismatched?

a. flagellated protozoans: trypanosomes b. alveolates: ciliates c. gren algae: diatoms d. stramenopiles: brown algae e. amoebozoa: slime molds

Biology & Microbiology

For roundworms living in the intestine of a

vertebrate, the cuticle most probably serves in what capacity? a. water retention b. nutrient absorption c. protection from digestive enzymes d. excretion of metabolic wastes e. sensory detection

Biology & Microbiology