Question 1

The storage of _______ is a function of the allantois in birds and the placenta in mammals.

Accepted Answer

The answer of The storage of _______ is a function...

Question 2

The trophoblast cells in frogs

Accepted Answer

A)  are important to placenta formation. 
B)  protect the egg from sunlight. 
C)  carry out gas exchange. 
D)  help with implantation. 
E)  do not exist. 
A)  are important to placenta formation. 
B)  protect the egg from sunlight. 
C)  carry out gas exchange. 
D)  help with implantation. 
E)  do not exist.

Question 3

When is the developing human most susceptible to the occurrence of birth defects from radiation or chemical insults?

Accepted Answer

A)  At the time of birth 
B)  During the third trimester 
C)  During the first trimester 
D)  When it is a zygote 
E)  During the final stages of organ formation 
A)  At the time of birth 
B)  During the third trimester 
C)  During the first trimester 
D)  When it is a zygote 
E)  During the final stages of organ formation

Question 4

After gastrulation, the endodermal cells contribute predominantly to the developing

Accepted Answer

A)  brain, nervous system, and nails. 
B)  skeletal system and muscles. 
C)  lining of the digestive and respiratory tracts. 
D)  sweat glands and milk secretory glands. 
E)  None of the above 
A)  brain, nervous system, and nails. 
B)  skeletal system and muscles. 
C)  lining of the digestive and respiratory tracts. 
D)  sweat glands and milk secretory glands. 
E)  None of the above

Question 5

The location of the _______ determines the anterior-posterior axis of the embryo.

Accepted Answer

A)  primitive streak 
B)  blastopore 
C)  vegetal hemisphere 
D)  hypoblast 
E)  tertiary mesenchyme 
A)  primitive streak 
B)  blastopore 
C)  vegetal hemisphere 
D)  hypoblast 
E)  tertiary mesenchyme

Question 6

The type of development in which each blastomere donates a specific set of items to the final adult animal is called _______ development.

Accepted Answer

The answer of The type of development in which each...

Question 7

Which of the following statements about the allantois is false?

Accepted Answer

A)  It is formed from the extraembryonic endoderm. 
B)  It functions in storing metabolic waste. 
C)  It plays a minor role in humans. 
D)  It is not part of the embryo. 
E)  All of the above are true; none is false. 
A)  It is formed from the extraembryonic endoderm. 
B)  It functions in storing metabolic waste. 
C)  It plays a minor role in humans. 
D)  It is not part of the embryo. 
E)  All of the above are true; none is false.

Exam 44: Animal Development

The storage of _______ is a function of the allantois in birds and the placenta in mammals.

The trophoblast cells in frogs

When is the developing human most susceptible to the occurrence of birth defects from radiation or chemical insults?

After gastrulation, the endodermal cells contribute predominantly to the developing

The location of the _______ determines the anterior-posterior axis of the embryo.

The type of development in which each blastomere donates a specific set of items to the final adult animal is called _______ development.

Which of the following statements about the allantois is false?

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

Reconstructing and Using Phylogenies

Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Neurons and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Function

Musculoskeletal Systems

Gas Exchange in Animals

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen

Animal Behavior

Ecology and the Distribution of Life

Population Ecology

Species Interaction and Coevolution

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