BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 38, Problem 12SA
___________ removes webs between developing digits.
| a. Gastrulation | c. Apoptosis |
| b. Lactation | d. Implantation |
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How does folate deficiency affect fetal development?
A.
It does not affect fetal development
B.
It increases the health of the fetus
C.
It can cause birth defects
D.
It helps the fetus to develop faster
The placenta function to
Select one:
A. Produce blood cells
B. Provide nutrition for the growing fetus
C. Exchange nutrients and wastes
D. Creat amniotic fluid
During embryonic development, unique cell layers develop into specific groups of tissues or organs during a stage called ________. a. the blastula stage b. the germ layer stage c. the gastrula stage d. the organogenesis stage
Chapter 38 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 38 - Prob. 1SACh. 38 - Prob. 2SACh. 38 - Testosterone is secreted by the _______. a. testes...Ch. 38 - Prob. 4SACh. 38 - Prob. 5SACh. 38 - Prob. 6SACh. 38 - Match each term with the most suitable...Ch. 38 - Prob. 8SACh. 38 - A human blastocyst normally implants in...Ch. 38 - Put these human developmental events in order,...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is: (a) ovum (b) embryo (c) foetus (d) zygotearrow_forwardAccording to the video “The Biology of Skin Color”, how does folate deficiency affect fetal development? A. It can cause birth defects B. It helps the fetus to develop faster C. It does not affect fetal development D. It increases the health of the fetusarrow_forwardThe beginning of brain and spinal cord formation is termeda. cephalocaudal folding.b. organogenesis.c. neurulation.d. gastrulation.arrow_forward
- Placenta ... a) ... develops from trophoblast cells. b) ... develops from embryoblast cells. c) ... allows the blood of the mother and fetus to be mixedarrow_forwardA gastrulation does NOT Select one: A. Consist of endoderm, mesoderm, and ectoderm B. Result in the formation of a third layer in the embryonic disc C. Involve the formnation of germ layers D. Include the differentiation of cells into tissues and organsarrow_forwardDuring the embryonic developmen, the trophoblast will developed into Select one: A. The embryonic disc B. The chorion C. The amnion and amniotic cavity D. The yolk sacarrow_forward
- At what stage uteroplacental circulation started? a.Maternal blood entering the lacunar b.Embryo completely embedded c.Formation of extraembryonic mesoderm d.Formation of lacunararrow_forwardThe process of gastrulation forms the _______. a. blastula b. zygote c. organs d. germ layersarrow_forwardEndoderm, Mesoderm, and Ectoderm are formed during ________. a. Gametogenesis b. Cleavage c. Gastrulation d. Organogenesisarrow_forward
- What happened if there is an excessive secretion of prostaglandin during menstruation? a,Inflammation b,Unfertilized egg is lost c,Irregular menstrual cycle d.Crampsarrow_forwardThe archenteron develops into(A) the mesoderm.(B) the endoderm.(C) the placenta.(D) the lumen of the digestive tract.arrow_forwardAt what stage uteroplacental circulation started? a.Maternal blood entering the lacunar b.Formation of lacunar c.Formation of extraembryonic mesoderm d.Embryo completely embeddedarrow_forward
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