Which factor contributes most to the determination of hair color?
A) the structure of the pigments produced by melanocytes at the papilla
B) age of the individual
C) air bubbles in the medulla of the hair shaft
D) All of the answers are correct.
E) None of the answers are correct.
A) the structure of the pigments produced by melanocytes at the papilla
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Which of the folllowing lists the stages or structures of prenatal development in the correct order?
A. Cleavage, zygote, morula, blastocyst, embryo, fetus B. Zygote, morula, blastocyst, cleavage, embryo, fetus C. Zygote, cleavage, morula, blastocyst, embryo, fetus D. Zygote, embryo, morula, blastocyst, cleavage, fetus E. Embryo, zygote, blastocyst, cleavage, morula, fetus
Answer the following statements true (T) or false (F)
1. The science of the development of an individual before birth is called neonatology. 2. Fertilization most often occurs in the outer one third of the oviduct. 3. The fertilized egg is called a morula. 4. The new individual becomes genetically complete during the blastocyst stage. 5. The blastocyst, which is a hollow ball of cells, is formed by the time the fertilized egg reaches the uterus.
A pulse may be taken in this artery, which lies just posterior to the medial malleolus
A) popliteal B) dorsalis pedis C) posterior tibial D) anterior tibial
After CO2 is produced by tissues, in what form is most of that carbon transported to the lungs for removal from the body?
A. as dissolved CO2 B. bound to hemoglobin C. as H2CO3 D. as dissolved HCO3- E. as carbonic anhydrase