Which germ layer forms the gonads and kidneys?
A) ectoderm B) mesoderm C) endoderm D) notochord
Answer: B
Anatomy & Physiology
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Atrial depolarization causes the ________.
A. quiescent period B. P wave C. first heart sound D. QRS complex E. T wave
Anatomy & Physiology
What do the traits of tongue roller, freckles, and dimples have in common?
A. They are all recessive traits. B. They are all dominant traits. C. They are all inherited by codominance. D. They all have multiple alleles. E. They are all inherited by incomplete dominance.
Anatomy & Physiology
Histones are found in
A) nucleosomes. B) centromeres. C) lysosomes. D) vesicles. E) endosomes.
Anatomy & Physiology
What happens to blood H+ levels as blood CO2 levels rise?
A) Hydrogen ion levels decrease. B) Blood becomes more alkaline. C) Hydrogen ion levels increase. D) Bicarbonate ions absorb the hydrogen ions.
Anatomy & Physiology