Ectoderm Study guides, Class notes & Summaries
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BIOMG 1350 Final Questions and Correct Answers
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BMP4 
Ans signaling molecule that causes ectoderm to become mesoderm; in the absence of this 
molecule, the cells become neurons 
true 
Ans True or False: BMP4 is produced uniformly throughout the embryo 
BMP inhibitors 
Ans secreted by the organizer to pattern epidermal development 
lowest 
Ans concentration of BMP4 is ______ near the organizer 
ventral, epidermal 
Ans Strong BMP4 signaling specifies _____ fate in the mesoderm and endoderm; specifies 
_______ fates in the ectoderm. 
cortical ...
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BIO 172 UH Manoa Exam 2 Questions with Complete Correct Answers | Grade A+
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Animals 
Ans: Multicellular eukaryotes 
Heterotrophs: Ingest their food 
Lack Cell Walls 
Body held together by structural proteins 
Collagen 
Ans: Make up connective tissues (fibers) 
Flexible and high tensile (stretching) 
Skin 
Ans: Dense irregular arrangement of collagen 
Ligament 
Ans: Collagen arranged in sheets 
(Connects Bones) 
Tendon 
Ans: Cable-like arrangement of collagen 
(Connects muscle to bone) 
Zygote 
Ans: Fertilized egg 
(Sperm+Egg=Zygote) 
Undergoes rapid cell division cal...
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NBCE Boards Part 1 - Spinal Anatomy
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Embryological Germinal layers - Answer- Endoderm 
Mesoderm 
Ectoderm 
 
Endoderm derivatives - Answer- Organs, gut, respiratory tract 
"Tubular structures" 
 
Mesoderm subgroups - Answer- Paraxial 
Intermediate 
Head 
Lateral Plate 
 
Paraxial - Somatic derivatives - Answer- Musculoskeletal: muscles, ligaments, tendons 
 
Paraxial - Splanchnic derivatives - Answer- Smooth muscle of organs 
 
Intermediate mesoderm derivatives - Answer- Urogenital system 
Kidneys 
 
Head Mesoderm Derivatives - A...
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TEST BANK FOR FOUNDATIONS OF MATERNAL AND PEDIATRIC NURSING, 3RD EDITION : WHITE
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Chapter 54—Prenatal Care 
MULTIPLE CHOICE 
1. Which of these statements regarding prenatal risk factors is TRUE? 
a. Fathers who smoke can contribute to decreased birth weight in their infants. 
b. Fetal alcohol syndrome is associated with excessive intake of alcohol during the second 
trimester of pregnancy. 
c. Illicit drug use is responsible for a majority of spontaneous abortions and stillbirths. 
d. Mothers who are not immune to rubella should be immunized during the first trimester o 
pr...
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Bio 120 Exam QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED
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Bio 120 Exam QUESTIONS WITH DETAILED VERIFIED 
ANSWERS | A+ GRADE ASSURED 
Synapomorphy A shared derived character or trait state that distinguishes a clade from the 
other organisms. 
Analagous Having characteristics that are similar because of convergent evolution, not 
homology. 
Homologous Similarity in characteristics resulting from a shared ancestry. 
Porifera Sponges 
No true tissues 
Mostly marine, aquatic 
Asymmetric 
2 germ layers (endoderm and ectoderm) 
No coelom 
Sessile 
Sessile At...
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IRENE GOLD BOARDS PART 1 SPINAL ANATOMY QUESTIONS AND ANSWERS 2024
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IRENE GOLD BOARDS PART 1 SPINAL 
ANATOMY QUESTIONS AND ANSWERS 
2024 
These are derived from what: 
→Organs, 
→gut, 
→respiratory tract (tubular structures) - answerENDODERM 
These are derived from what: 
→muscles 
→tendons 
→ligaments - answerMESODERM 
Paraxial Somatic 
These are derived from what: 
splanchnic - smooth muscle of organs - answerMESODERM 
Paraxial Splanchnic 
These are derived from what: 
urogenital system and kidneys - answerMESODERM 
Intermediate 
These are derived ...
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final exam all bio 4400, Cell Fate and Specification, Exam 2: Neurulation, Exam 2: Neurons, Exam 2 - Neural Crest cells, Exam 2: Sensory placodes and organs, Cell-cell interactions and signaling
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final exam all bio 4400, Cell Fate and 
Specification, Exam 2: Neurulation, 
Exam 2: Neurons, Exam 2 - Neural Crest 
cells, Exam 2: Sensory placodes and 
organs, Cell-cell interactions and 
signaling 
Ectoderm doesn't move through the __________ or __________ - CORRECT 
ANSWER 1) blastopore (frogs and fishes) 
or 
2) primitive streak (birds and humans) 
Sensory organs all begin in the head as... - CORRECT ANSWER placode 
- thickenings of surface ectoderm 
what are 4 types of cell interact...
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USAHS Clinical Neuroscience Correctly Answered Questions | Grade A+
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What are the 5 steps of neurological development in order? 
: Neurulation, cell proliferation, migration and aggregation, formation of axonal and 
dendritic processes, and synaptogenesis 
______________ involves the formation of the neural crest and neural tube. 
: Neurulation 
Cell proliferation occurs within the ________ _______. 
: Neural tube 
During the migration and aggregation phase of embryological development the cells 
migrate/aggregate within _________ locations. 
: Definitive 
True...
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Irene Gold - General Anatomy Questions and Answers Latest Updated Graded A+.
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Irene Gold - General Anatomy Questions and Answers Latest Updated Graded A+. 
What embryo layer are the gut and respiratory tract derived from? - Correct Answer: Endoderm 
What are the four subgroups that arise from mesoderm? - Correct Answer: Paraxial 
Intermediate 
Head 
Lateral plate 
What embryo layer do somites arise from? - Correct Answer: Mesoderm - paraxial 
What embryo layer are the urogenital system and kidneys derived from? - Correct Answer: Mesoderm - 
intermediate 
What embryo layer...
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NARM PREP questions with correct answers
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Match the definition to its word parts. within 
endo- 
-hypo 
hemat/o 
cutane/o CORRECT ANSWER endo- 
 
What is the term that describes a bluish color of the skin and mucous membranes caused by an insufficient amount of oxygen in the blood? 
Cyanosis 
Hypoxia 
Hypoxemia 
Anoxemia CORRECT ANSWER cyanosis 
 
What are the three germ layers? 
Ectoderm, endoderm, mesoderm 
Amnion, chorion, embryo 
Central nervous system, brain, spinal cord 
Umbilical cord, amnion, chorion CORRECT ANSWER Ectoderm, end...
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