BIO205 Fall 2017 25. Which of the following terms best describes the process of
ID: 3474945 • Letter: B
Question
BIO205 Fall 2017 25. Which of the following terms best describes the process of formation of the 3 germ layers? a. gastrulation b. morulation c. gametogenesis d. blastocyst e. neurulation 26. In humans, fertilization usually takes place non the - a. ovary b. uterus c. fallopian tube d. vagina e. cervix 27. Stem cells taken from a morula may be useful because they are a. not yet differentiated b. capable of becoming any other tissue in the body c. used in research for several human diseases d. being studied for central nervous system repair e. all of the above 28. The embryo" is defined as the stage when: a. the three germ layers are formed and before sex characteristics are noted b. external sex characteristics are first examined with ultrasound c. the morula forms d. there is a hollow ball of cells e. the fingers and toes form 29. In humans, body cells have chromosomes and gametes havechromosomes a. 46, 46 b. 23, 23 c. 23, 46 d. 46, 23 e. 92, 46 30. The nervous system develops from which of the embryonic germ layers? a. ectoderm b. endoderm c. mesoderm d. hypoderm e. mesenchyme 6Explanation / Answer
25. a. gastrulation
26. c. fallopian tube
28. c. the morula forms
29. d. 46, 23
30. a. ectoderm
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.