mRNA is needed to synthesize ________ in the cytoplasm
A) carbohydrates
B) lipids
C) proteins
D) phospholipids
E) ATP
Answer: C
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Most tubular reabsorption occurs in the
A. proximal convoluted tubule, where cells have many microvilli. B. distal convoluted tubule, where cells have many microvilli. C. proximal convoluted tubule, where cells have many flagella. D. distal convoluted tubule, where cells have many flagella.
Which of the following muscles of the head elevates and protrudes the lower lip, as in pouting?
A) occipitofrontalis B) levator palpebrae superioris C) procerus D) mentalis
Which phase or phases of the swallowing process are voluntary?
A) esophageal phase B) pharyngeal phase C) laryngeal phase D) buccal phase E) None of the answers are correct.
Differentiation is
A) the transfer of genetic information from one generation to the next. B) the gradual change in anatomical and physiological characteristics from conception to maturity. C) the formation of more specialized cell types through selective changes in genetic activity. D) the fusion of two haploid gametes that results in one diploid zygote. E) a developmental stage of the embryo where body shape becomes discernable.