Blastula - Samenvattingen, Aantekeningen en Examens
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CMMB 403 Midterm questions and answers rated A+ 2024/2025
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CMMB 403 Midterm 
Two major changes of the mid-blastula transition - correct answer 1. Changes in the length of the cell cycle 
2. Activation of zygotic genes 
 
Key aspects of gastrulation (3) - correct answer 1. Blastula turns into gastrula 
2. Formation of blastopore 
3. Germ layers move into their final positions 
 
What is a blastopore - correct answer Opening of central cavity in embryos 
 
Key aspects of organogenesis (3) - correct answer 1. Gastrula turns into neurula (once you see ...
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cmmb midterm Question and answers verified to pass
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cmmb midterm Question and answers verified to passcmmb midterm 
 
 
RTK pathway and FGFs - correct answer Ligand, RTK, GEF, RAS, RAF, MEK,ERK, TF, Transcription 
 
morula, blastula, gastrula blastomere - correct answer morula: cleavage stage embryo, no cavityblastula: cleavage stage, when there is a cavity in the embryogastrula: embryo undergoing gastrulationneurula: embryo as neural tube is formingblastomere: any cell of a cleavage stage embryo 
 
cleavage - correct answer rapid cell divisio...
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CMMB 403 Final Exam with complete solution
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CMMB 403 Final Exam with complete 
solution 
does the fish organizer and the Nieuwkoop centre have similar functions as their amphibian 
counterparts? - answeryes they do! 
at what stage is the xenopus and zebrafish niewkoop centre form? - answerat the late blastula 
stage (near the end of cleavage) 
at what stage does the Xenopus and the Zebrafish form it's organizer? - answerat the gastrula 
stage 
what is the fish organizer also called? - answerthe embryonic shield 
Where is the fish Nieuwko...
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BIO 172 UH Manoa Exam 2 Questions With 100% Correct Answers.
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Acquired immunity - Develops after exposure to microbes, toxins, and/or foreign substances 
Active Immunity - Microbe introduced into the body to stimulate a response to a certain disease 
Adaptive Radiation - Divergence of a group into species adapted to many ecological niches 
Adrenal Gland - Regulate hormones of Fight or flight 
Alimentary system - System involved in the acquisition of nutrients from food 
Alimentary System - System involved in the acquisition of nutrients from food 
Ametabol...
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CMMB 403 Final Exam with complete solution
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CMMB 403 Final Exam with complete 
solution 
does the fish organizer and the Nieuwkoop centre have similar functions as their amphibian 
counterparts? - answeryes they do! 
at what stage is the xenopus and zebrafish niewkoop centre form? - answerat the late blastula 
stage (near the end of cleavage) 
at what stage does the Xenopus and the Zebrafish form it's organizer? - answerat the gastrula 
stage 
what is the fish organizer also called? - answerthe embryonic shield 
Where is the fish Nieuwko...
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Bio 112 Exam Martin Ball State Questions and Answers Already Passed
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Bio 112 Exam Martin Ball State 
 
Questions and Answers Already Passed 
 
mollusca body plan shared features -foot: mass of muscle tissue used for movement and/or 
manipulation 
-visceral mass: clump that contains most of the organs 
-mantle: tissue that drapes over the organ clump and secretes the shell in shelled members 
 
4 characteristics shared by all animals -eukaryotic- membrane bound nucleus and organelles 
 
-multicellular 
 
-heterotrophic- consumes food to get energy 
 
-have tissues...
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BIOMG 1350 Lecture 13 Questions with complete solutions
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Steps of embryonic development Correct Answer-1) Zygote (fertilized egg) undergoes early cleavages -> morula (group of equivalent, undistinguishable cells) 
2) As morula grows, cell acquires specific characteristics & some morphological differences (ex. embryonic axes) -> blastula (characterized by presence of hollow cavity, blastocele) 
3) Gastrulation (gastrula) originates 3 definitive germ layers (ectoderm, mesoderm, endoderm) 
4) Once scaffold & primordial for tissues & organs laid out...
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ZOO 3603C - EXAM 1 SAMPLE QUESTIONS
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How has developmental biology impacted modern medicine? - Answer-IVF (in vitro fertilization) 
teratology - study of congenital abnormalities 
Birth defects, prenatal diagnosis 
cloning 
 
What is regulation? - Answer-the ability to respecify cells so that the removal of cells destined to become a particular structure can be compensated for by other cells producing that structure 
 
Who discovered Regulation? - Answer-Roux 
 
What is determination? - Answer-the second and irreversible stage of ...
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CMMB 403 Final Exam Actual Questions and Answers with complete solution
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CMMB 403 Final Exam Actual Questions 
and Answers with complete solution 
Which animal's development is chick development most similar to compared to other species? - 
answerMost similar to humans than other species talked about in lecture (like amphibians 
and flies) 
What is the Nieuwkoop Centre (NC)? When does it emerge during embryo development? - 
answerCentre that induces the formation of the organizer and later the dorsal mesoderm; 
emerges during the late blastula stage 
How does the fi...
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Developmental Biology Final Exam LATEST SOLUTION 2024 GUARANTEED GRADE A+
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Gametes are formed within the gonads (testis and ovaries) and the tissue that directly creates the gametes is generically called: 
germ line 
Name two tissue types/organs formed by the endoderm 
digestive tube, respiratory tube 
Name two tissue types/organs formed by the ectoderm 
skin cells, CNS 
Name two tissue types/organs formed by the mesoderm 
Red blood cells, organs 
Exogenous agents that cause disruptions during development resulting in the formation of congenital defects 
teratogens 
Th...
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