NBEO Practice exam 2024 with 100% correct answers

If a thin lens with an index of 1.5 has a dioptric power of +4.00 in air, what is its power if placed in water? A) +1.18 diopters B) +11.76 diopters C) +1.36 diopters D) +4.00 diopters - correct answer C) +1.36 diopters Alpha helices and beta sheets are considered which level of protein structure? A) Quaternary B) Primary C) Tertiary D) Secondary - correct answer D) Secondary An amphipathic molecule will react in what manner when exposed to water? A) It will completely dissolve B) It will form a gas C) It will combust D) It will form micelles - correct answer D) It will form micelles Coenzyme Q, vitamins A, D, E and K, and cholesterol are all derived from which of the following lipids? A) Triglycerides B) Phospholip