Which of the following lists the stages or structures of prenatal development in the correct order?
A) Zygote, morula, blastocyst, cleavage, embryo, fetus
B) Cleavage, zygote, morula, blastocyst, embryo, fetus
C) Zygote, embryo, morula, blastocyst, cleavage, fetus
D) Zygote, cleavage, morula, blastocyst, embryo, fetus
E) Embryo, zygote, blastocyst, cleavage, morula, fetus
D
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Which of the following major layers of the digestive tract is described as a layer of dense irregular connective tissue filled with blood vessels and the plexus of Meissner?
a. muscular externa b. submucosa c. mucosa d. serosa
The thyroid gland belongs to this organ system
A) nervous B) respiratory C) endocrine D) lymphatic/immunity
Lymph is ________ that has entered a lymphatic capillary.
Fill in the blank(s) with the appropriate word(s).
A ________ allele is expressed only when homozygous
A) homologous B) homocentric C) recessive D) maternal E) dominant