Which germ layer forms the gonads and kidneys?
A) ectoderm B) mesoderm C) endoderm D) notochord
Answer: B
You might also like to view...
Atrial depolarization causes the ________.
A. quiescent period B. P wave C. first heart sound D. QRS complex E. T wave
Histones are found in
A) nucleosomes. B) centromeres. C) lysosomes. D) vesicles. E) endosomes.
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.
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.