All of the following cause developmental enamel defects, EXCEPT

A. Febrile Diseases
B. Fluorosis
C. Natal Teeth
D. Tetracycline
E. Treacher-Collins Syndrome


Answer: E. Treacher-Collins Syndrome

Biology & Microbiology

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Which of the following is a net product of the Krebs cycle for each molecule of pyruvate generated in glycolysis? Select all correct choices

A. 1 ATP B. 3 NADH C. 1 FADH2

Biology & Microbiology

Which of the following statements are true of Trichomonas vaginalis?

_____ It attacks the human genitourinary tract. _____ It lacks mitochondria. _____ It is a member of the supergroup Discoba. _____ It synthesizes its own organic nutrients. _____ It uses flagella for movement.

Biology & Microbiology

High net primary productivity is a characteristic of what biome?

a. desert b. savanna c. chaparral d. tropical forest

Biology & Microbiology

Transcription of inverted repeats produces an mRNA with complementary segments that fold to form what type of secondary structure?

What will be an ideal response?

Biology & Microbiology