Hydrophobic molecules usually enter a cell via ________.

A. osmosis
B. protein channels
C. diffusion
D. active transport


Answer: C

Anatomy & Physiology

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Which organ does not have hormone production?

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The ________ is a U-shaped bone that sits above the larynx yet does not articulate with any other bone.

A. zygomatic bone B. maxilla C. hyoid bone D. mandible

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Which description is true for a primary oocyte?

A) It is arrested in metaphase II. B) It is a mature follicle. C) It is arrested in prophase I. D) It is formed before birth.

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Which statement best describes a spermatid?

A) It undergoes spermatogenesis. B) It undergoes meiosis II. C) It is a stem cell. D) It undergoes meiosis I.

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